HSL (hue, saturation, color and lumniosity) modes
Description:
These modes are different to the modes above,
because the RGB values are transformed to HSL first,
mixed, and transformed back to RGB.
Hue mode:
The new HSL values consist of
...hue of the blend image
...saturation of the base image
...lumniance of the base image
Saturation mode:
The new HSL values consist of
...hue of the base image
...saturation of the blend image
...lumniance of the base image
Color mode:
The new HSL values consist of
...hue of the blend image
...saturation of the blend image
...lumniance of the base image
Lumniosity mode:
The new HSL values consist of
...hue of the base image
...saturation of the base image
...lumniance of the blend image
