Hi, just guessing here, but i think converting them to HSB first might work. Then you only need the B value.
hth JC On Thu, Jul 24, 2008 at 8:55 PM, Jim McIntyre <[EMAIL PROTECTED]> wrote: > Does anyone know a good formula for comparing brightness of RGB color > values? > > Obviously, 0xCCCCCC is brighter than 0x333333. But one can't always infer > that a larger number is brighter than a smaller: 0x330000 is a larger > number, but much darker than, 0x00FFFF. > > Would averaging (or simply adding) the three color components work, or is > it more nuanced than that? > > Thanks, > Jim > _______________________________________________ > Flashcoders mailing list > [email protected] > http://chattyfig.figleaf.com/mailman/listinfo/flashcoders > _______________________________________________ Flashcoders mailing list [email protected] http://chattyfig.figleaf.com/mailman/listinfo/flashcoders

