Infinite Painter 7 iOS Reference Manual v. 10.090821

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Lab color space Scientific approach.

L*a*b* (CIELAB, LAB) color space describes all possible colors in an abstract three dimensional space

Each color is described with three coordinates:

L* = luminance a* = green-red component b* = blue-yellow component

100

L* (black to white)

127

127

0

-128

-128

b* (blue to yellow)

a* (green to red)

Theoretical L*a*b* color space In actual applications the Lab color space is reduced to available RGB spectrum

Colors visible for human eye in L*a*b* color space

Lab color space is far from being intuitive. It is however a precise, device-independent color definition used in science and industry. In Painter 7 you can define colors using Lab coordinates (see page 128).

Infinite Painter’s Manual

ref: manual_studio_color_lab

Studio • Color • Page 108

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