Pigment Yellow 164 (C.I. 77899) is a brown manganese titanate with chemical formula (Ti,Mn,Sb) O2 and a rutile structure. It provides a dark brown shade.
PG17 - Chromium green-black hematite
Pigment Green 17 (C.I. 77288) is a black mixed oxide of iron (III) and chrome (III) with chemical formula Cr2O3 and a hematite structure.
PBk33 - Iron manganese black oxide
Pigment Black 33 (C.I.77537) is a black manganese ferrite with chemical formula MnFe2O4 and a hematite structure. It provides brownish to bluish black shade.
PBk30 - Chrome iron nickel black spinel
Pigment Black 30 (C.I. 77504) is a complex inorganic black mixed oxide pigment of chrome (III), nickel (II), iron (II, III) with chemical formula (Ni, Fe) (Cr, Fe)2O4 and a spinel structure. It is a bluish black shade pigment.
PBk28 - Copper chromite black spinel
Pigment Black 28 (C.I. 77428) is a black mixed oxide of copper (II) and chrome (III) with chemical formula CuCr2O4 and a spinel structure. It provides a bluish black shade.
PBk27 - Iron cobalt chromite black spinel
Pigment Black 27 (C.I. 77502) is a black mixed oxide of iron (II, III), cobalt (II) and chrome (III) with chemical formula (Co,Fe)(Fe,Cr)2O4 and a spinel structure. It provides a bluish black shade.
PBk26 - Manganese ferrite black spinel
Pigment Black 26 (C.I. 77494) is a black mixed oxide of manganese (II) and iron (III) with chemical formula MnFe2O4 and a spinel structure. It provides a very deep bluish black shade and is the strongest black CICP.
PBk23 - Tin antimony grey cassiterite
PBk23 (C.I. 77865) is a grey pigment with chemical formula (Sn,Sb)O2 and a cassiterite structure. It provides a grey shade.