4.3 DUIM-DCs Module
color-luminosity
Generic function
Summary
Returns the brightness of a color.
Signature
color-luminositycolor => luminosity
Arguments
- color
- An instance of type
<color>.
Values
- luminosity
- An instance of type
limited(<real>, min: 0, max: 1).
Library
duim-dcs
Module
duim-dcs
Description
Returns the brightness of color color as real number between 0 and 1. The value is the solution of a function that describes the perception of the color by the human retina.