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|A Tinderbox Reference File : Actions & Rules : Operators : Full Operator List : brightness(color)||aTbRef Site Map|
|Operator Scope of Action:||Item|
returns the brightness of a color, as a numeric value from 0 to 100. The color argument is a color type attribute or an expression resolving as the same. 0 is dark/black and 100 is light/white.
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