Ingredient · E102, E133

FD&C Blue 1 And FD&C Yellow 5

Source
Not animal-derived
Allergen
No
Role in food
These dyes are added to foods to provide vibrant blue and yellow colors, or …

What is FD&C Blue 1 And FD&C Yellow 5?

FD&C Blue 1 and FD&C Yellow 5 are synthetic organic compounds derived from petroleum. They are artificial food colorings used to impart blue and yellow hues, respectively, to various food products.

Is FD&C Blue 1 And FD&C Yellow 5 vegan?

FD&C Blue 1 And FD&C Yellow 5 is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is FD&C Blue 1 And FD&C Yellow 5 a major allergen?

Not a major allergen.

What is FD&C Blue 1 And FD&C Yellow 5 used for?

These dyes are added to foods to provide vibrant blue and yellow colors, or to create other colors when mixed.

Is FD&C Blue 1 And FD&C Yellow 5 safe?

Both FD&C Blue 1 and FD&C Yellow 5 are approved by the FDA as color additives for food.

Why it's used

These dyes are added to foods to provide vibrant blue and yellow colors, or to create other colors when mixed. They are commonly found in gelatin desserts, cake mixes, crackers, beverages, candies, and other processed foods.

Health notes

Both FD&C Blue 1 and FD&C Yellow 5 are approved by the FDA as color additives for food. In April 2025, the FDA announced a plan to phase out petroleum-based synthetic dyes, which includes both Yellow 5 and Blue 1. JECFA has evaluated both dyes and set acceptable daily intakes. EFSA has also evaluated both and set acceptable daily intakes. There have been discussions regarding a possible link between synthetic food dyes, including Yellow 5 and Blue 1, and hyperactivity in some children; however, scientific evidence on this link is mixed. Some individuals may also experience allergic-type reactions to Yellow 5, though this is rare.

Allergen info

Not a major allergen.

Foods that contain FD&C Blue 1 And FD&C Yellow 5

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Red 40, Yellow 5, Yellow 6: What the Evidence Says →

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Last updated: October 6, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.