X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=color-picker.lisp;h=0e64c971762bd807535c112cbbdfc635fd21ea6c;hb=7a32ea0dccd70ba9ac40122e929980726feb1357;hp=2122e9e46de9974eb183a66d7154e2bdf17a907e;hpb=d91ff3b4d9cdcae003420c04609ea736161c7e65;p=wol.git 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)))