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author | Hugo Hörnquist <hugo@lysator.liu.se> | 2020-03-23 02:01:00 +0100 |
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committer | Hugo Hörnquist <hugo@lysator.liu.se> | 2020-03-23 02:01:00 +0100 |
commit | 7d3e0cc8a400a18be62673d2a1341cb86b55f6d7 (patch) | |
tree | 96359643740f22007f54424e349d5403aae616f6 /module | |
parent | Fix time span formatting for HTML descriptions. (diff) | |
download | calp-7d3e0cc8a400a18be62673d2a1341cb86b55f6d7.tar.gz calp-7d3e0cc8a400a18be62673d2a1341cb86b55f6d7.tar.xz |
Slightly tweak text-backgrour-color relation.
Diffstat (limited to '')
-rw-r--r-- | module/output/general.scm | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/module/output/general.scm b/module/output/general.scm index e2f73991..2e0e77c6 100644 --- a/module/output/general.scm +++ b/module/output/general.scm @@ -2,6 +2,7 @@ ) ;; Returns a color with good contrast to the given background color. +;; https://stackoverflow.com/questions/1855884/determine-font-color-based-on-background-color/1855903#1855903 (define-public (calculate-fg-color c) (catch #t (lambda () @@ -12,9 +13,9 @@ (b (str->num c 5))) (if (< 1/2 (/ (+ (* 0.299 r) (* 0.587 g) - (* 0.144 b)) + (* 0.114 b)) #xFF)) - "#000000" "#e5e8e6"))) + "#000000" "#FFFFFF"))) (lambda args (format (current-error-port) "Error calculating foreground color?~%~s~%" args) "#FF0000" |