Rawaya mai ƙarfi AB (Fast Yellow AB, Acid yellow G, Acid Yellow, Yellow Fast, Yellow Food 2, E105) launin abinci ne mai rawaya. Tsarin sinadarai C12H11N3O6S2.
An haramta amfani da shi a cikin masana'antar abinci a Turai da Amurka, bisa ga sakamakon binciken da aka yi na toxicological wanda ya nuna cutar da mutane.
Abun yana cikin jerin abubuwan da aka haramta amfani da su a cikin masana'antar abinci na ƙasarmu.