colour_burn             Blend colours and palettes using colour burn
                        mode
colour_dodge            Blend colours and palettes using colour dodge
                        mode
darken                  Blend colours and palettes using darken mode
difference              Blend colours and palettes using difference
                        mode
exclusion               Blend colours and palettes using exclusion mode
hard_light              Blend colours and palettes using hard light
                        mode
lighten                 Blend colours and palettes using lighten mode
multiply                Blend colours and palettes using multiply mode
overlay                 Blend colours and palettes using overlay mode
screen                  Blend colours and palettes using screen mode
soft_light              Blend colours and palettes using soft light
                        mode
