Synthetic Colors Picture Color Formula Brand Name Common Name Red C20H12N2Na2O7S2 Azurobin Carmoisine MORE... Red C₁₈H₁₄N₂Na₂O₈S₂ Allura Red FD&C Red 40 MORE... Blue C37H34N2Na2O9S3 Brilliant Blue FD&C Blue No. 1 MORE... Orange-Yellow C16H10N2Na2O7S2 Yellow orange color Yellow sunset FD&C Yellow No. 6 MORE...