. 2012 Aug 3;9(3):599–609. doi: 10.1007/s13311-012-0133-x

Table 1.

Artificial Food Coloring (AFC) classifications and approvals

FD & C#	Common Name	Hue/Shade	INS#	E#	ADIs (mg/kg)
Permitted in U.S.
Blue #1 ^A	Brilliant Blue FCF	Bright Blue	133	E133 ^A	0-12.5
Blue #2 ^A	Indigotine	Royal Blue/Indigo	132	E132 ^A	0-5
Green #3 ^A	Fast Green FCF	Sea Green/Turquoise	143	E143	0-25
Red #3^A	Erythrosine	Cherry Pink	127	E127 ^A	0-0.1
Red #40 ^A	Allura Red	Orange Red	129	E129 ^A	0-7
Yellow #5 ^A	Tartrazine	Lemon Yellow	102	E102 ^A	0-7.5
Yellow #6 ^A	Sunset Yellow FCF	Orange	110	E110 ^A	0-4
Citrus Red #2 ^RU	Citrus Red	Red	---	---	<2 PPM
Orange B ^RU	---	Orange	---	---	<150 PPM
Not Permitted in U.S.
---	Quinoline Yellow	Greenish/Yellow	104	E104	0-5
---	Ponceau 4R	Scarlet	124	E124	0-4
---	Patent Blue V	Dark Blue	131	E131	NA
---	Fast Green FCF	Green	142	E142	0-25
---	Brilliant Black BN	Brown-Black	151	E151	0-1
---	Brown FK	Brown-Black	154	E154	NA
---	Lithol Rubine BK	Red	180	E180	NA

Note: FD&C: Food, Drugs & Cosmetics (U.S. Food & Drug Administration), INS: International Numbering System (global classification by Food & Agriculture Organization/World Health Organization), E# (European Union), A = Approved, RU: restricted use (Citrus Red 2 for orange peels, Orange B for weiner/sausage casings), ADI: Acceptable Daily Intake - estimate of amount, listed in units of mg per kg of body weight (based on (standard human = 60 kg) that can be ingested daily over a lifetime “without appreciable risk” from the OnLine Edition of the JECFA Compendium of Food Additive Specifications; FCF = For Food Coloring; PPM = Parts per million based on weight of product; NA = Not allocated.