summaryrefslogtreecommitdiffstats
path: root/debian/missing-sources/bourbon/app/assets/stylesheets/functions/_is-light.scss
blob: 0d72867b2f043821046c9f55b3c7fb56a225c895 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
@charset "UTF-8";

/// Programatically determines whether a color is light or dark.
///
/// @link http://robots.thoughtbot.com/closer-look-color-lightness
///
/// @param {Color (Hex)} $color
///
/// @example scss - Usage
///   is-light($color)
///
/// @return {Bool}

@function is-light($hex-color) {
  @if $output-bourbon-deprecation-warnings == true {
    @warn "[Bourbon] [Deprecation] `is-light` is deprecated and will be " +
    "removed in 5.0.0.";
  }

  $-local-red: red(rgba($hex-color, 1));
  $-local-green: green(rgba($hex-color, 1));
  $-local-blue: blue(rgba($hex-color, 1));
  $-local-lightness: ($-local-red * 0.2126 + $-local-green * 0.7152 + $-local-blue * 0.0722) / 255;

  @return $-local-lightness > 0.6;
}