Yellow No. 5
a yellow dye used in food, drugs, cosmetics, and other products: required by FDA regulations to be identified on food labels because of possible allergic reactions in sensitive individuals.
What Does 💛 Yellow Heart Emoji Mean?The yellow heart emoji can convey love, just like any other heart symbol or emoji, but its yellow color often gets used to show liking and friendship (as opposed to romantic love).
Also called tartrazine.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019