mdb-ui-kit/scss/_mixins-utilities.scss

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SCSS

// This file is here to emulate the less #contrast function
// TODO: this may be useful for the inverse theme, but if not, remove (it is unused after the removal of fullpalette)
// contrast-color and brightness borrowed from compass
// Copyright (c) 2009-2014 Christopher M. Eppstein
// Complies with license: https://github.com/Compass/compass/blob/stable/LICENSE.markdown
@function contrast-color($color, $dark: $contrasted-dark-default, $light: $contrasted-light-default, $threshold: null) {
@if $threshold {
// Deprecated in Compass 0.13
@warn "The $threshold argment to contrast-color is no longer needed and will be removed in the next release.";
}
@if $color == null {
@return null;
}
@else {
$color-brightness: brightness($color);
$dark-text-brightness: brightness($dark);
$light-text-brightness: brightness($light);
@return if(abs($color-brightness - $light-text-brightness) > abs($color-brightness - $dark-text-brightness), $light, $dark);
}
}
@function brightness($color) {
@if type-of($color) == color {
@return (red($color) * 0.299 + green($color) * 0.587 + blue($color) * 0.114) / 255 * 100%;
}
@else {
@return unquote("brightness(#{$color})");
}
}