[His face crinkles at this new information. Frustration bubbles from within him...

His emotions are a close-kept secret, when he can manage it. To have him so readable...

Well, nothing to do about it now. Pinching the bridge of his nose, he breaths a small sigh.]

So, through process of elimination, we can conclude that green results in projected emotions and orange results in visions or memories from objects... That just leaves blue, then, as well as purple.