From b6c7780bb02465e3af2ccec332fc2d8b79fe7a2a Mon Sep 17 00:00:00 2001 From: =?utf8?q?Mattias=20Engdeg=C3=A5rd?= Date: Thu, 18 Jun 2020 21:55:36 +0200 Subject: [PATCH] ; * lisp/faces.el (color-luminance-dark-limit): Better doc string. --- lisp/faces.el | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/lisp/faces.el b/lisp/faces.el index 2480aaaf146..ba85973bf10 100644 --- a/lisp/faces.el +++ b/lisp/faces.el @@ -1795,9 +1795,10 @@ on which one provides better contrast with COLOR." "#ffffff" "black")) (defconst color-luminance-dark-limit 0.325 - "The relative luminance below which a color is considered 'dark', -in the sense that white text is more readable than black with the -color as background. This value was determined experimentally.") + "The relative luminance below which a color is considered 'dark'. +A 'dark' color in this sense provides better contrast with white +than with black; see `color-dark-p'. +This value was determined experimentally.") (defun color-dark-p (rgb) "Whether RGB is more readable against white than black. -- 2.39.5