# color/desaturate
Decrease saturation in HSL space by `amount` (0-1, default 0.1). Lightness,
hue and alpha are preserved.
## Syntax
[color/desaturate $color $amount]
## Examples
[color/desaturate "#ff0000" 0.5] # "#bf4040" [color/desaturate "#ff0000" 1.0] # "#808080" — same as color/grayscale
## Returns
`"#rrggbb"` hex string, or `"#rrggbbaa"` when the input is translucent.
nil when the color is unparseable.
## See Also
`color/saturate`, `color/grayscale`