On Thu, 26 Apr 2007, Amos Newcombe wrote: > You find the complementary color by subtracting each color band from 255 > (assuming 8-bit color). The problem with this is that if your original color > is medium gray, the complementary color will be very close to it and you > will get no legibility. So you have to test for this case and go to some > other color, perhaps black or white.
Slightly better than complementing each color band, set it as far off from the background as you can; [00..7F] -> FF, [80..FF] -> 00. /Paul > Amos > > On 4/26/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: >> >> Christopher , >> Thank you for your reply. >> >> Is there a way how to find out a complementary colour for an area where I >> will write the text, so >> that the text will be seen clearly?Is there a routine in PIL or in Python >> somewhere? >> Thank you for help >> Lad. >> > -- _______________________________________________ Image-SIG maillist - Image-SIG@python.org http://mail.python.org/mailman/listinfo/image-sig