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

adjust_color($color, [$red], [$green], [$blue], [$hue], [$saturation], [$lightness], [$alpha]) Increases or decreases one

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

keywords($args) Returns the map of named arguments passed to a function or mixin that takes a variable argument list. The

zip($lists...) Combines several lists into a single multidimensional list. The nth value of the resulting list is a space

selector_parse($selector) Parses a user-provided selector into a list of lists of strings as returned by &

counters($args...) This function only exists as a workaround for IE7‘s

rgba($red, $green, $blue, $alpha) rgba($color, $alpha)

unitless($number) Returns whether a number has units.

selector_extend($selector, $extendee, $extender) Returns a new version of $selector with $extendee