// FUNCTIONS TO GET MORE EASILY COLORS
 @function list-colors() {
     @return $semantics;
 }

 @function luminance($color) {
     $c_red: red($color);
     $c_grn: green($color);
     $c_blu: blue($color);

     $luminance: $c_red*0.299 + $c_grn*0.587 + $c_blu*0.114;

     @return $luminance
 }

 @function getFontColor() {
   @return getTextColorFromBackground(get-color("background-alt"));
 }

 @function getTextColorFromBackground($background-color) {
     @if (luminance($background-color) < 255 * $whiteness_value) {
         @return $color-font-light;
     } @else {
         @return $color-font;
     }
 }

 @function accentuate($color) {
     @if (luminance($color) > 64) {
         @return darken($color, 7.5%);
     } @else {
         @return lighten($color, 4%);
     }
 }

 @function dim($color) {
     @if (luminance($color) > 255 * $whiteness_value) {
         @return transparentize($color, 0.8);
     } @else {
         @return transparentize($color, 0.6);
     }
 }

 // fonction texte et background

 @mixin text-color($text-color) {
  color: $text-color;
 }

 @mixin background-color($background-color) {
  background-color: $background-color;
  color: getTextColorFromBackground($background-color);
 }

 @mixin accent-color($accent-color) {
    --accent-color: #{$accent-color};
    --text-color-contrast: #{getTextColorFromBackground($accent-color)};
    --accent-color-hover: #{accentuate($accent-color)};
 }