mixin_exists($name) Check whether a mixin with the given name exists.

map_merge($map1, $map2) Merges two maps together into a new map. Keys in $map2 will take precedence over keys

Variable Defaults: !default You can assign to variables if they aren’t already assigned by adding the !default flag

adjust_hue($color, $degrees) Changes the hue of a color. Takes a color and a number of degrees (usually between -360deg

darken($color, $amount) Makes a color darker. Takes a color and a number between 0% and 100%, and returns a color with the

Parentheses Parentheses can be used to affect the order of operations: p

list_separator($list) Returns the separator of a list. If the list doesn’t have a separator due to having fewer than two

complement($color) Returns the complement of a color. This is identical to adjust-hue(color, 180deg).

Interactive Shell You can easily experiment with SassScript using the interactive shell. To launch the shell run the sass command-line with

max($numbers...) Finds the maximum of several numbers. This function takes any number of arguments.