There are four colour models you can use.
In the HLS menu, you set the softness and tolerance ranges using the hue, luminance, and saturation channels.
In the YUV menu, you set the softness and tolerance ranges using the luma and chroma signals of YUV component video.
In the RGB menu, you set the softness and tolerance ranges using the red, green, and blue channels.
In the RGBCMYL menu, you set the softness and tolerance ranges using the red, green, blue, cyan, magenta, yellow, and luminance channels. This colour model provides subpixel resolution.
