/// Slightly lighten a color
/// @access public
/// @param {Color} $color - color to tint
/// @param {Number} $percentage - percentage of `$color` in returned color
/// @return {Color}
/// @source https://css-tricks.com/snippets/sass/tint-shade-functions/
@function tint($color, $percentage) {
	@return mix(white, $color, $percentage);
}

/// Slightly darken a color
/// @access public
/// @param {Color} $color - color to shade
/// @param {Number} $percentage - percentage of `$color` in returned color
/// @return {Color}
/// @source https://css-tricks.com/snippets/sass/tint-shade-functions/
@function shade($color, $percentage) {
	@return mix(black, $color, $percentage);
}