to_hls
Description:
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.
Parameters:
| this |
a Color |
| hue |
return location for the hue value or |
| luminance |
return location for the luminance value or |
| saturation |
return location for the saturation value or |