Converts this to the HLS format.
The hue
value is in the 0 .. 360 range. The luminance
and saturation
values are in the 0 .. 1
range.
this |
a Color |
hue |
return location for the hue value or null |
saturation |
return location for the saturation value or null |
luminance |
return location for the luminance value or null |