Based on the Compositing and Blending Level 1
Multiplies the complements of the backdrop and source color values, then complements the result.
Multiplies or screens the colors, depending on the backdrop color value.
Subtracts the darker of the two constituent colors from the lighter color.
Produces an effect similar to that of the Difference mode but lower in contrast. Painting with white inverts the backdrop color; painting with black produces no change
Multiplies or screens the colors, depending on the source color value. The effect is similar to shining a harsh spotlight on the backdrop.
Darkens or lightens the colors, depending on the source color value. The effect is similar to shining a diffused spotlight on the backdrop.
Darkens the backdrop color to reflect the source color. Painting with white produces no change.
Brightens the backdrop color to reflect the source color. Painting with black produces no changes.
Selects the lighter of the backdrop and source colors.
Selects the darker of the backdrop and source colors.
The source color is multiplied by the destination color and replaces the destination.
The resultant color is always at least as dark as either the source or destination color. Multiplying any color with black results in black. Multiplying any color with white preserves the original color.