Guess the Color 339

Last week's answer was BLUE (AQUA/AZURE)!

The boys of ST☆RISH can never seem to agree on anything - outside their music, that is. Why wouldn't they disagree about colors too? Tokiya knows that he's got the color right, though. They might not believe him... but maybe they'll believe you?

Every week I'll provide an image of a character in black and white and you'll have to tell me the color of the part I'm asking about. To make it so the color is easily guessable in the case of more ambiguous shades, I'll always be using the color mentioned in the description provided in the character's wiki.

Tell the other boys the color of the gemstone on Ruijerd's forehead for him, would you? You'll receive 8 random cards.

This round ends Wednesday, October 28th.