join($list1, $list2, $separator:auto) Joins together two lists into one. Unless $separator

hsla($hue, $saturation, $lightness, $alpha) Creates a Color from hue, saturation, lightness

grayscale($color) Converts a color to grayscale. This is identical to desaturate(color, 100%).

set Return a new list, based on the list provided, but with the nth element changed to the value given.

if($condition, $if-true, $if-false) Returns one of two values, depending on whether or not $condition is true

str_insert($string, $insert, $index) Inserts $insert into $string at $index.

saturation($color) Returns the saturation component of a color. See

map_keys($map) Returns a list of all keys in a map.

red($color) Gets the red component of a color. Calculated from HSL where necessary via

global_variable_exists($name) Check whether a variable with the given name exists in the global scope (at the top level of