Yes, coral is a Scrabble word!

Adjective

1. Of a strong pink to yellowish-pink color

Noun

1. A variable color averaging a deep pink

2. The hard stony skeleton of a Mediterranean coral that has a delicate red or pink color and is used for jewelry

3. Unfertilized lobster roe; reddens in cooking; used as garnish or to color sauces

4. Marine colonial polyp characterized by a calcareous skeleton; masses in a variety of shapes often forming reefs