decimal to hex translation for colors



Jorge Calvo <Jorge.Calvo <at> avemaria.edu> writes:

> Assuming that I have the rgb intensities as integers (or floats,
> if that is easier), is there a way of turning these into hexadecimal
> numbers?  Or better yet, is there a way to take a triple of
> intensities and produce the corresponding #rrggbb string?

How about something like this:

(%i1) foo : printf (false, "#~2x~2x~2x", 127, 63, 31);
(%o1)                               #7F3F1F
(%i2) foo;
(%o2)                               #7F3F1F

HTH

Robert Dodier