Composition of Colors
YELLOWS
Cadmium Yellow Light: Concentrated cadmium zinc sulfide (PY35)
Cadmium Yellow Medium: Concentrated cadmium sulfide (PY37)
Hansa Yellow Medium: Arylide yellow (PY 74)
Indian Yellow Permanent: Diarylide yellow HR70 (PY83)
Naples Yellow Light: Nickel Antimony Titanium Yellow (PY53)
Naples Yellow Deep: Chrome Antimony Titanium Buff (PBr24)
ORANGES
Cadmium Orange: Concentrated cadmium sulfo-selenide (PO20)
Mars Orange: Synthetic red iron oxide (PR101)
REDS
Cadmium Red Light: Concentrated cadmium sulfo-selenide (PR108)
Cadmium Red Medium: Concentrated cadmium sulfo-selenide (PR108)
Alizarin Crimson Permanent: Anthraquinone Red (PR177)
Quinacridone Red: Quinacridone red b (PV 19)
Dragon’s Blood (Perylene Red): Perylene Red (PR149)
VIOLETS
Cobalt Violet: Cobalt phosphate (PV 14)
Dioxazine Purple: Carbazol dioxazine (PV 23)
Ultramarine Violet: Complex silicate of sodium & aluminum with sulfur (PV15)
BLUES
Ultramarine Blue: Complex silicate of sodium & aluminum with sulfur (PB29)
Cobalt Blue: Oxides of cobalt & aluminum (PB28)
Manganese Blue: Barium manganate (PB33)
Prussian Blue: Ferri-ammonium ferrocyanide (PB27:1)
Phthalo Blue: Copper phthalocyanine (PB15:2)
GREENS
Viridian: Hydrated chromium oxide (PG18)
Cobalt Green: Oxides of cobalt & zinc (PG19)
Chromium Oxide Green: Chromium oxide green (PG 17)
Permanent Green Light: Chlorinated copper phthalocyanine (PG7), Diarylide yellow HR70 (PY83)
Phthalo Green: Chlorinated copper phthalocyanine (PG7)
TRANSPARENT EARTHS
Transparent Earth Yellow: Transparent Mars Yellow (PY42)
Transparent Earth Orange: Transparent Mars Yellow, Transparent Mars Red (PY 42, PR 101)
Transparent Earth Red: Transparent Mars Red (PR101)
Transparent Earth Brown: Transparent Mars Red (PR101)
EARTHS
Raw Sienna: Natural iron oxide (PBr7)
Burnt Sienna: Calcined natural iron oxide (PBr7)
Raw Umber: Natural iron oxide containing manganese (PBr7)
Burnt Umber: Calcined natural iron oxide containing manganese (PBr7)
Greenish Umber: Natural iron oxide containing manganese (PBr7), hydrated chromium oxide (PG18)
Brown Madder Alizarin Permanent: Calcined natural iron oxide containing manganese, Anthraquinone Red (PBr7, PR177)
Indian Red: Synthetic red iron oxide (PR101)
Venetian Red: Synthetic red iron oxide (PR 101)
Yellow Ochre: Natural hydrated iron oxide (PY43)
BLACK & WHITES
Ivory Black: Bone black (PBk9)
Lamp Black: Carbon black (PBk7)
Black Spinel: Copper chromite black spinel (PBk28)
Titanium White: Titanium dioxide (PW6)
Cremnitz White: Lead Carbonate (PW1)
Extender White: Calcium carbonate (PW 18)
All colors are made from a Laropal A-81 (BASF) resin and solvent solution, and the pigments listed. Modern organic pigments contain alumina hydrate to properly adjust tinting strength for better working properties.