The color to use for the foreground.
The color to use for the background.
The image to use for the overlay.
The image to use for the background.
Should the images cover the entire area?
Method
Color on Color
Color on Image
Image on Image
normal
multiply
screen
overlay
darken
lighten
color-dodge
color-burn
hard-light
soft-light
difference
exclusion
hue
saturation
color
luminosity
plus-darker
plus-lighter
