Color mixing math! Primaries (1)+ Secondaries(2)= Tertiaries(3). KG explores color & Louis C. Tiffany. @CampbellAPS

color-mixing-math-primaries-1-secondaries2-tertiaries3-kg-explores-color-louis-c-tiffany-campbellaps-httpst-cordihfxkgnc 

Color mixing math! Primaries (1)+ Secondaries(2)= Tertiaries(3). KG explores color & Louis C. Tiffany. @CampbellAPS https://t.co/rDIhFXkGNc