ChromaSpot — the substrate-independent colour library

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Color Picker
Image Palette
Project

About
ConceptWhy one definition beats many swatches Color CodingWhat a color’s code tells you Substrate IndependentOne ink on two papers is two colors License and UseFree to use; the name is protected ContactQuestions, corrections, integrations

Specification
SpecificationThe data sheet, every figure recomputable How This Library Was MadeWhat was measured, and what was discarded Subset StatisticsBasic, Essential and Full compared RangesWhere each color can and cannot be printed Ranges: all nineteen Propose a ColourA missing color, or something wrong IntegrationsIn design, prepress and color software

The library
Every color measured M0, M1 and M2, spectra included.
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Color and light
One Colour, Many MaterialsOne color, made in many materials Light, Spectrum, ObserverLight, surface and eye make a color Measuring and ViewingMeasuring and viewing: one decision IlluminantWhich light the numbers are computed under Which ΔE, and How MuchFormulas that disagree by a factor of two

Paper and metamerism
Why M2?Why M2 decides the codes Optical BrightenersPaper that turns ultraviolet into blue Brighteners: the distribution MetamerismA match under one light, not another Observer MetamerismWhen two people see a match differently Colour InconstancyA color that moves with the light Inconstancy: the full matrix

On screen
Ink Drawdown on ScreenThe ink on its paper, on your screen Variator Snowflake Ink Concentration Checking Your Display Substrate Adaptation How Sure Are You?From a screen to a booth in four steps

Start here
Why a color needs a spectrum, not a swatch.
One Colour, Many Materials →
How to

Guides
Library BrowserEvery control of the library, explained Working with ChromaSpotInto Photoshop, Illustrator, InDesign File FormatsFour exports, and which keep the spectrum

Measure and print
Match SampleThe nearest colors to a measured sample Measure and Find ColorWhich ChromaSpot color is your sample Print Color AccuratelyProfiled and consistent beats expensive Desktop ApplicationWhat does not fit in a browser

Questions?
Write to us about the library, a color or an integration.
Contact →
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