"additive mixtures" . "add up to white" . "mixing" . "additive primary colours" . "additive color" . "added" . "Additive color" . "mixing the primary colors" . "additive-averaging mixing" . "red, green, and blue" . "additive color mixing" . "additive synthesis" . "Additive Color Mixing" . . "additive color system" . "Additive" . "additively" . . "additive colour" . "multidimensional" . . . "additive colour film process" . "additive light" . "Solid additive" . "Maxwell's Wheel" . "additive method" . "Maxwell's wheel" . "additive mixing" . . "Additives" . . "additive mixture" . . "additive" . "Additive color" .