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Project
Concept
Color Coding
Measure
Substrate Independent
License and Use
Contact
Learn
One Colour, Many Materials
Light, Spectrum, Observer
Measuring and Viewing
Why M2?
Optical Brighteners
› Brighteners: the distribution
Metamerism
Observer Metamerism
Colour Inconstancy
› Inconstancy: the full matrix
Illuminant
Which ΔE, and How Much
Ink Drawdown on Screen
› Variator
› Snowflake
› Ink Concentration
› Checking Your Display
› Substrate Adaptation
How Sure Are You?
How to
Library Browser
Working with ChromaSpot
File Formats
Measure and Find Color
Print Color Accurately
Desktop Application
Specification
How This Library Was Made
Subset Statistics
Ranges
› Ranges: all nineteen
Propose a Colour
Integrations
View
Chroma
Hue
Lightness
LCH
LAB
Range
Subset
Basic
Essential
Full
Doubtful names (2026-08)
Certain
Questionable
Abstraction
Cosmos
House
Mythology
Place
Polychrome
Sea
Head word in no catalogue
Pigment name, no CI record
Hue the colour does not have
Two or more modifiers
Modifier against the colour
A word that should not name a colour
Outside the word's lightness or chroma
The operator ruled against it
Rights question, unresolved
Free name, wrong register
Search:
Color Spec.
A
B
C
D50
D55
D60
D65
E
F2
F7
F11
2°
10°
M2
M1
M0
Samples
Scratchpad