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Applied
- A black that is not black
- A brand colour is an ink
- A dot is larger than it was asked to be
- A halftone is not a mixture
- A profile is a fit between its nodes
- A profile is a table
- A proof cannot glow
- An instrument brings its own light
- Colour thrown away on purpose
- Dividing by the paper
- Measured with an aperture, seen with an eye
- Neither gamut contains the other
- No mapping preserves everything
- The booth is a luminaire
- The fifth ink buys a corner
- The fourth ink is not for colour
- The lamp in the shop decides
- The paper is the white point
- The proof is a different object
- The screen is not the room
- The separation is not unique
- Primaries chosen for their inverse
- Best on the average, undefined at the edge
- A tolerance is a region
- Downhill from a published matrix
- A delivery tolerance is three tolerances
- The slope arrives before the bowl
- A budget drawn through one hue
- A tolerance is a boundary through pairs
- A dial has a price
- An aperture is a filter
- Either disc can be the wide one
- Which index to buy an instrument for
- The instrument is one observer exactly
- The booth and the eye disagree
- A brand colour for a population
- An average on the stored values
- An intent is not a function of the colour
- A second conversion is not a repeat
- The budget adds two units
- A soft proof is exact for one reader
- A chain measured in a unit that cannot add
- A resize with a negative weight in it
- The corner of a resized patch is lighter than its edges
- A proof cannot be tuned for readers who disagree
- The eye keeps the lightness errors
- A profile interpolates light
- The scale hangs from one measurement
- The inverse table errs dark
- The eye counts a corner's error, not its peak
- Sharpened type errs on its dark side
- A strategy keeps the refit only where black prints
- A serif moves the error and adds little
- A little black ends the cast
- A hairline spills its error onto the paper
- The cast returns where black is steep
- An ink limit takes the shadows' cast away
- A junction gathers by the width of its stem
- A closed counter adds a little to a junction
- Width and height each carry half the counter's gain
- A knee in the ink limit quiets the shadow
- Off the grey axis a knee trades hue for chroma
- More nodes quarter the dulling and leave the knee a larger share
- Three nodes at the cap's corner cut the dulling by a third
- Shared nodes belong in the deep shadow
- Easing the cap reaches the deep shadow and no higher
- A higher ramp trades one shadow for another
- A bent ramp takes more ink and dulls more
- A steeper ramp cures the shadow by overshooting it
- Each dark ray wants its own ease
Imaging
- A blown highlight turns
- A camera balances in another basis
- A camera cannot record the excitation
- A camera is a fourth observer
- A camera profile is a fit
- A grey edge arrives coloured
- A matrix is fitted under one light
- A photograph is not a measurement
- Correcting colour costs noise
- Fitted to an eye nobody has
- Luther said when it would work
- Most things are pale in the infrared
- No matrix is right everywhere
- Raw is not a picture
- Silicon sees past the visible
- The camera has its own metamers
- The chart decides the profile
- The filter that makes colour possible
- The grid outside every figure
- The highlight is the white balance
- The lamp that stopped emitting ultraviolet
- The shutter samples the lamp
- A sensor designed for its inverse
- The condition chooses no axes
- Where a camera is blind to itself
- The widths were free because nothing else was asked
- Two tolerances do not meet in a tolerance
- A chart decides what a camera scores
- The coincidence was a mechanism
- The objective nobody chose
- A pixel has an aperture too
- The chart was measured, not photographed
- The chart was measured by an observer too
- A sensor has no lens
- The order is not in the documentation
- One step has no choice
- A contrast control is three controls
- A stop is not a stop afterwards
- Two converters and one highlight
- The corner of the frame has another filter
- A black level is multiplied by the balance
- Clipped noise does not average away
- A corner is corrected by one row
- Two matrices do not reach a white LED
- Filling in a highlight is a claim about the surface
- The converter can choose except where it matters
- Four places to clamp are two pipelines
- Flicker sorts lamps the wrong way
- Two lamps decide what one lamp could not
- Two sensors disagree about deep red, not lines
- A narrow channel has to be read on its own
- One row for every lamp costs the lamps that lose least
- The lamps two channels miss are smooth to the camera
- Two channels estimate what one can only sort
- A straightened channel repeats the one beside it
- One ratio reads a peak and a trough
- The tube a third channel misses has no family
- Two stages catch the tube and bill the lamps they misplace
- A classifier that abstains gives up the tube
- A family's line runs through its neighbours
- Radiators and LEDs are one family to the sensor
- New LEDs miss the line their cousins drew
- LEDs varied in their phosphors fall off every line
- LEDs built on the locus still fall off the line
- A channel at each pump cannot see the recipe
- The converter gives the red phosphor away
- Beside the locus the converter still gives the red away
- Across a bin, the camera's error bends with the temperature
- The bin's curve holds between its points and breaks beyond them
- A level for each temperature lets the curve be the error's
- The red phosphor tilts the warm whites and bends nothing
- The line had already undone the squeeze
- Two estimates of one red each read their own end
Scene
- A bounce is a multiplication
- A colour that moves with the viewer
- A corner is not a wall
- A corner moves both terms
- An image does not determine the light
- A scene has no white point
- A shadow has its own illuminant
- A surface that is not a multiplication
- Gloss changes the measurement
- No surface can be that colourful
- Paint is not a filter
- Rendering in three numbers
- The colour is in the thickness
- The highlight is the lamp
- The room is the illuminant
- The same wall applied twice
- The window is part of the light
- Two paints that stop matching
- Two sheets that match until the window
- What a white wall costs
- Why blue and yellow make green
- A pool with an edge
- A gap in the drive, not in the wall
- The worst case is where the box stops
- A room bounds its own bounces
- The darkest wall anybody sells
- A mean has a set under it
- A theorem about a family
- Every worst surface sits on a declaration
- Three numbers the scene supplies
- A partial correction is worth its fraction
- A model is a claim about what can be known
- A surface has a kernel
- The hue the hole decides
- A room is not a sphere
- A mixture in the variable nobody named
- The solver had no slot for gloss
- Thirty unknowns instead of six
- A lobe takes colour out of a bounce
- The floor is a different colour from the door
- Two ways to put a lobe on a wall
- A tenth of the return arriving white
- Every scene in this collection was matt
- A gloss finish takes colour out of the whole room
- A gloss room looks less colourful than it measures
- The boundary belongs to the quadrature
- A finish adds colour only to a daylight meter
- A dark wall pays for a finish
- What an adapted viewer loses is set by the wall
- The finish adds the room's own colour
- An open room hands over sooner
- A probe at the wall prices the finish
- A finish adds colour only where it covers grey
- A grey finish mirrors the lamp onto the paint
- The tall room gains once its walls are divided
- Divided faces keep the census's count and lose its rule
- The paint's own light does not order the rooms
- The paint itself gains all or nothing
- The slot's loss survives every finer division
- The finish stops costing the paint six tenths deep
- A taller box must be deeper before the finish adds colour
- The width moves the turn only when it is the narrower side
- A square floor needs more room than a long one
- A long floor never loses its colour to the finish
- The window of loss closes from both ends
- A taller room keeps its floor losing in proportion
- A room scaled whole loses its floor to the last digit
- The wedge of loss comes to a point
- The pale paints cross the tip last
- The pocket has a step where its bottom should be
Brain
- A brighter white still looks white
- A colour has a name
- A gain has a time constant
- A gain needs a basis
- An afterimage is an adaptation
- A name in the model's own words
- A name is not a threshold
- A name moves with the room
- A patch is not a scene
- A viewing condition is a moment
- A viewing condition is an argument
- Brighter looks more colourful
- Brightness is inferred from edges
- Brightness is not luminance
- Constancy is the default
- Four ways to move a white point
- The algorithms that guess the light
- The cones an appearance model uses
- The eye is never still
- There is no brown light
- These two patches are identical
- Why there are four unique hues
- No basis is good at both
- One matrix doing two jobs
- The trade only runs one way
- A trade between matrices, not people
- The surround is three rows of a table
- A discount nobody measured
- Five transforms and the space between them
- A model judged in another model's unit
- The appearance model has no slot for it
- The census under another observer
- The appearance model takes XYZ
- The grid under the census
- An appearance is not always a stimulus
- The hue scale has four corners
- Where the model's curve does not matter
- The audit, read as appearances
- A stated lightness is two requirements
- A third of the appearance box is no surface
- The average surface does not look average
- A name moves with the reader
- The model has a hue shift it was never given
- A room with two lights has no white
- A dark background moves every difference and no match
- Two rooms with one lightness scale
- The reversals have a straight edge
- The cancellation is exact and cheap to lose
- White turns a hue, and the models part at blue
- A tint in paint turns the other way
- Printing does not change the sign
- Newsprint turns a tint with its colour, not its gain
- White drains the blue last in every model
- The blue resists through the model's denominator
- A reader sees the reversal until almost adapted
- Adapting to a brightened sheet leaves the glow
- The blue's hue turn was lost with a matrix
- Two matrices fail under a warm white
- Two matrices hold to almost tungsten, and the blue turns long before
- A thin dot edge lets the glow back in
- Stochastic dots hold the glow at every tint
- Merged spots give the mid-tones half the glow back
- A growing clump prints like the screen with as many dots
- Squares of four print a pale tint like a 150-line screen
- The rim was never most of the glow
- A light ink can cancel the glow at one strength
- One light ink serves three papers within two degrees
- An ink for a fading sheet is set for its middle age
- A yellowing base leaves the ink where the glow put it
- The glow alone sets the light ink
- The glow's colour sets the blue ink and spares the orange
- The glow's pull on the white sets every ink
Matching
- A catalogue is not a vocabulary
- A fourth primary is a design
- A gamut has a population
- A gradient is a path
- A hex code is not a colour
- An instrument has a geometry
- Colour by catalogue
- Five nanometres is a choice
- Four primaries have a choice
- Matching is not appearance
- Most of this diagram cannot be shown
- Not every colour has a wavelength
- One match names the observer
- Six numbers make a space
- The diagram has no area
- The diagram was replaced in 1976
- The eye weights where the light is not
- The laws that make colour add up
- Two thirds is not a property of the eye
- What a gamut costs
- What the instrument reports
- The gamut race chose the basis
- How long is the bowl
- Two points out of three
- A primary is chosen for four things
- A tolerance in the wrong coordinates
- Only the flat directions keep their names
- An extremum is still not a sample
- The observers differ by a unit's worth
- A unit rests on a space that was ranked
- A pair the aperture separates
- One wavelength is everyone's colour
- A narrow primary buys a disagreement
- A deviation is not a difference
- A size is not a direction
- The straight piece under the cube root
- What one number accepts
- A lattice has no derivative
- The mixture line bows
- A tolerance has a grain
- Which mixture bows most depends on the ruler
- The appearance model has no straight piece
- A press is charged for the direction it barely moves
- The straight line is not the shortest gradient
- The metamerism index has two corrections
- Two uniform spaces disagree about between
- A gamut charges a gradient nothing
- The ambiguity is largest where the index is used
- A third space breaks the tie only once
- A press makes the cheap route a search
- A projection has no reason to detour
- A margin costs a press its corners
- A tolerance's own unit rounds the corners
- The yellow stays sharp because it leans
- The tolerance unit opens every edge
- The blue corner has nothing to twist
- Nine black levels sharpened the press's corners
- A display's blue is sharp where the rotation is not
- The yellow is sharp where the tolerance unit does not compress
- An appearance model flattens the blue by its hue
- A quantiser keeps the blue a spike
- A violet primary is no spike to the quantiser
- The green primary decides how sharp the blue is
- A green's long tail sharpens the blue; its short tail does not
- A broad green sharpens the blue; a broad blue dulls it
- Brightness and the green sharpen the blue almost independently
- A tone-mapped blue turns where it lands
- A tone curve per channel turns a sky towards cyan
- An appearance model sees the per-channel sky turn twice as far
- A curve on intensity cannot see a blue's brightness
- Lowering only the chroma turns the sky white and its hue with it
- The sky a dim display can show best is the master's own
Eye
- A cone absorbs its own light
- A confusion point is a missing pigment
- A fading pool has a shape
- A pattern has a direction
- Colour goes first in the dark
- Colour stops at the edge of sight
- How fine a colour edge can be
- Nothing is in focus at both ends
- One person is two observers
- The drift is a luminance mechanism
- The eye has a shutter
- The eye stops at the lens
- The eye that has no colour
- The filters inside the eye
- The matches do not name the cones
- The mosaic is not the observer
- The slowest clock is chemical
- Three cones, two axes
- Three numbers
- Two spectra, one colour
- What a still eye stops seeing
- Why colour is exactly three-dimensional
- The three numbers a gain cannot see
- The best axes are not receptors
- The rank is the invariance
- A template cannot place a point
- A width nobody varied
- Which measurement is worth making
- The surfaces that answer nothing
- A point about the pigments that remain
- The claim, in nanometres
- The population rests on a template
- A template is mostly its tail
- The band below four hundred
- Two blurs before the eye's own
- A neutral is everyone's colour
- A gain is not an observer
- Three curves for one space
- The identity is in the eye's own coordinates
- The lens is worst under tungsten
- The ranking is not stable
- A field size is two changes
- The observer has no age
- The rods are a fourth curve
- The macular is a band, not a filter
- The peaks move the flanks
- Two observers and one metamer
- The rods' route is priced by the lamp
- The reference lamp must not move
- A rod signal has no natural size
- One field keeps what two rooms divide out
- Age can size the rod signal, if the lens is known
- The matches carry their own lens
- A band in the lens reads as age or as macula
- A lens of the wrong shape lands in the macula
- The third factor is a construction
- A dimmer session hides a lens band in the rods
- A second lamp pair finds a lens band's centre
- A lost lens band goes to age or the macula
- A macula three nanometres short is a lens band
- A second session keeps a band and the macula apart
- A line on the macula's flank buys less than a repeated session
- Knowing the macula's density frees two sessions, not the line on its peak
- A density a tenth wrong costs the band more than fitting it
- A wrong density shifts every experiment alike near the macula
- One session has a second valley
- A soft prior on the macula frees the lens band
- A bound on the macula trades false moves for hidden ones
- A wider prior gives the moves back by spending the band
- A second session leaves the prior one job
- A third session finds the edge band and counts bands misplaced
- A band held near the lens closes the valley the prior could not
Difference
- A difference has no place
- A difference has no size
- A difference is not a distance
- A difference needs a basis too
- A halftone is a luminance object
- A mean is not a difference
- A threshold is not a unit
- A tint at the edge of a page
- A tolerance cannot cross a condition
- A tolerance is a probability
- A tolerance is a shape
- A tolerance needs a second number
- How far apart are two colours
- How many colours are there
- MacAdam measured it
- No diagram makes them circles
- One unit in another room
- The midpoint is not half
- Three constants nobody quotes
- Where the formula is not smooth
- Which of two is worse
- Whiteness is mostly the lamp
- A compression goes below the floor
- The exponent was never the argument
- An ellipse is not a ring of points
- Three numbers for one ellipse
- How wrong would the data have to be
- Twenty-five is a sample of the diagram
- A lattice is a quadrature rule
- The error on a gap is not the errors at its ends
- Saturation is nearly everything
- The weighting is the disagreement
- A dial through a discrete menu
- The disagreement is at the near end
- Two departures that partly cancel
- The departures are larger than the tolerance
- A neutral has no grid
- The normaliser carries the error too
- A departure is straight in the excitations
- A tolerance with an observer in it
- A distance raised to a power has no length
- Two yellow filters cancel on a slope
- Two filters cancel only in a bright enough room
- A tolerance has no light level
- A difference has no rate
- Adaptation turns more pairs off than on
- Quadrature is exact in one room
- The room a surface needs is written in its band
- Two units with a light level disagree about lightness
- The shadows a unit counts are the ones a room removes
- The units part by hue, not by light level
- A lit room brings the units' medians together
- A guessed veil halves the error
- The hue disagreement is the quantiser's
- A dimming panel has no single black
- At the gamut's edge the reds move as far as the violets
- Two floors trade the screen for the halo
- A display's red takes the reds' move and leaves the pair
- The eye's own glare hides most of the halo
- A coloured highlight tints the halo it cannot hide
- A warm room tints the black, not the halo
- Adapting to a warm room deepens the shadows' tint
- Lamp and daylight together sit below the locus
- A room sensor must read the lamp to a hundred kelvin
- No calibration reads the lamps and the LEDs together
- A sensor calibrated on lamps cannot read an LED
- Seven channels end the trade and lose the tube
- Relatives, not twins, teach a sensor a tube
- Seven channels carry their noise as lightly as three
- A tilt moves every light's reading alike
- A dark offset pulls every light toward one colour
- A light's distance from the equal-signal colour sets when it goes
Limits
- A display in a room is a smaller display
- A fit can be exact and empty
- A white that is not a reflectance
- Banding is not a bit depth
- Every threshold was measured with a grating
- How bright is white
- Nobody here has two eyes
- Only one of these devices adapts
- Seventeen observers in 1931
- Simulating what cannot be simulated
- The brightener is being used up
- The display is an unknown
- The gamut shrinks in the dark
- The list nobody made
- The model has no clock
- There is no word for that colour
- The triangle is a shadow
- Two degrees or ten
- What a second model changed
- What no adaptation can remove
- Which of these is a convention
- Whose eyes
- A constraint costs what it points at
- An extremum is not a sample
- A constraint is a direction and a distance
- The price is also the person
- How far a quadratic can be believed
- What would have to be wrong
- The instrument named the pair that moved
- The input nobody declared
- A mean is not a worst case
- What the audit still cannot reach
- A choice with no magnitude
- Two instruments and one ranking
- Three choices reached
- The model has six arguments
- Either factor being zero
- A departure is not a unit
- The audit that changed the object
- The reference had to be built
- The grid hid the observer
- An observer is a contract
- Where a patch stops being a point
- Three audits and one shape
- The conditions are the result
- What this round could not reach
- The limits assume a pigment that switches instantly
- Three lines spare a slow pigment
- A limit written in energy charges the reds
- A fourth emitter spends the gap it fills
- The gap has to be dark, not the line narrow
- A sharp edge is bought with depth
- A lopsided band does not break the trade
- The pigment decides the trade, not the band
- Written in energy, the bands spare the green
- The lamp outweighs the pigment model
- A tube spares a pigment through its phosphors
- A mercury lamp's few losses are deep
- A pair of lines asks for a cliff, not a gap
- A harder search pulls the band pigments away from the slope limit
- A slow pigment splits mercury's lines only if its swing fits between them
- The slope limit was exact all along
- A band pigment must be narrower than the gap it splits
- A steep side splits mercury's lines at forty nanometres
- A band must be nearly two to one before its steep side pays
- A band is only as wide as its steep side
- At one half-width a flank can lose nothing or nearly everything
- A hundredth of Lorentzian undoes a Gaussian flank
- A narrower flank moves its wing in with it
- The ranking reads six nanometres to the direction
- Each direction falls short by one band's ratio
- A five-nanometre flank carries a fiftieth of Lorentzian
Light
- A lamp has a direction
- A lamp has a waveform
- A lamp is not a blackbody
- A lamp switched on is not the lamp measured
- A reflectance is a diagonal
- A screen is a poor lamp
- A spectrum is not a colour
- Blackbody and the colour of temperature
- Only one dimmer is invisible
- Some paper is brighter than white
- The colour is right first
- The illuminant is half the answer
- The index is one observer's opinion
- The room settles after the eye does
- There is no D65 lamp
- The sun is not one illuminant
- The tables do not stop together
- Three numbers cannot see a line
- Three ways to dim a lamp
- Two lamps do not average
- What a lamp cannot give back
- Which lamp changes are free
- White is a region
- Which changes of light pay for it
- Everyone is beaten by the same wall
- A notch a pigment cannot cut
- The census is a construction too
- Four steps the test set cannot order
- A fourth dimension has a shape
- The row a fourth dimension improves
- The census in six units
- The ultraviolet is half the product
- The grid is a range, not an index
- The index is a choice too
- The slit is what makes it legal
- A finer reading of a coarser table
- Where the grid starts
- Two ends and one is empty
- Which end to buy
- The endpoint term has a name
- A grid is not a resolution
- A lamp is two audits at once
- The line can be in the sample
- The cost of a steep notch repeats every step
- Two slits are not one slit
- A linear repair for a bilinear loss
- One slit, two requirements
- A finer table is a worse table
- The tables cannot bound what they discarded
- A second slit buys a quarter
- A declared width buys a factor of two
- A narrow slit shrinks the error, not the bound
- A narrow table can vouch for its own peaks
- A finer grid keeps the price of separating
- A correction travels with its lines
- A narrow table declares its own lines
- A table can refuse a pair it cannot resolve
- A line's wings widen the width a table declares
- A reversed line is read as one line
- A notch in a line is never refused
- A reversed tube declares from its least reversed line
- A stricter fit declares a wider line
- Two nanometres hide the yellow's notch from any fit
- The notch fit declares the true width, and the true width runs out
- A coarse table can borrow a notch, but not a phantom
- A ceiling that knows the notch holds to the deepest column
- A wide table needs no notch to borrow
- A broad line brings the notch back to a wide table
- Wings make a broad line easier to bound from its core
- Wings rescue a three-nanometre table only to its deepest column
- A ceiling built for the notch holds the three-nanometre table