For those of you who are interesed in knowing the color index number for each of our pigments. Here you are. 

 PFEIFFER ART SUPPLY COLOR INDEX Non toxic pigments list Nightingale Natural Red -Natural Iron Oxide, R102 (77491) - Lightfastness/ Permanent to UV Falcon Red Ochre - Natural loam, limonite. CI Y43 (77492) - Lightfastness/ Permanent to UV Kingfisher Red Lacquer - PR12/12385, CACO3 - Lightfastness/Good Cardinal Medium Red Crimson - PR 112/12370-15630, CACO3 - Lightfastness/Good Toucan Orange - PO 5/12075, CACO3 - Lightfastness/Good Goldfinch Iron Oxide -Iron Oxide - PY43 (77492) - Lightfastness/Excellent Sandgrouse Light Yellow Ochre - Natural loam, limonite. CI Y43 (77492) - Lightfastness/Permanent to UV Lemon bill Lemon Yellow - Nickel Antimony Yellow Rutile, PY53 (77788) Discontinuing - Lightfastness is Excellent Sunbird Sun Yellow - PY 74/12370, CACO3 - Lightfastness/Good Warbler Mayan Yellow - Citrus Yellow VY-001-D - Lightfastness/Good Parrot Green - PY 74/11741, PG 7/74260, CACO3 - Lightfastness/Good Tody Dark Green - PG8 CI 10006 (12411) - Lightfastness/Good Tanager Turquoise -Natural Base G7 (74260) - Lightfastness/Excellent Cuckoo Lavender Blue - Natural Base polysulfurated B29 (77007) - Lightfastness/Excellent Babbler Blue - Miloriblue and Titanium Dioxide PB27, PW6 - Lightfastness/Good Magpie Blue -Copper phtalocyanine PB15, CAS# 147-14-87 - Lightfastness/Good Macaw Ultramarine Blue - PB29 (77007) - Lightfastness/Excellent Starling Prussian Blue - PB 27.77510 - Lightfastness/Excellent Poulet Purple Violet - PV 19/PV 23/CACO3 - Lightfastness/ Good  Rosefinch Ultramarine Rose - 3rd generation Ultramarine, PR 259(77007) - Lightfastness/Excellent Crane Titanium White - Titanium Dioxide PW6 - Lightfastness/Excellent Bufflehead Buff Titanium - Titanium dioxide, Pigment White 6:1, C.I. 77891 - Lightfastness/Excellent Road Runner Burnt Umber  -Natural loam, R102- Bk11 - Lightfastness/Permanent to UV Heron Gray Ochre - Carbonates of calcium, manganese, iron - Lightfastness/Excellent Raven Vine Black - PB8 - Lightfastness/Excellent Rook Black Oxide - Iron Oxide, PB11 (77499) - Lightfastness/Excellent Limited Editions Silver Rosefinch -PR 259, Mica - Lightfastness/ Excellent Silver Chalk Green -C03CA, Mica - Lightfastness/Excellent