X-Git-Url: http://git.kpe.io/?p=wol.git;a=blobdiff_plain;f=color-picker.lisp;h=0e64c971762bd807535c112cbbdfc635fd21ea6c;hp=2122e9e46de9974eb183a66d7154e2bdf17a907e;hb=ad10f85ccddf4cdc4fdabe5bc28622975338d552;hpb=3bffe3c738cf4026f76cd7428c378442e0e4bb2a diff --git a/color-picker.lisp b/color-picker.lisp index 2122e9e..0e64c97 100644 --- a/color-picker.lisp +++ b/color-picker.lisp @@ -1,3 +1,5 @@ +(in-package #:wol) + (defun luminance (r g b) (+ (* r 0.299) (* g 0.587) (* b 0.114)))