Dragon Guide
From Triad wiki
Dragon Anatomy
Eye Colors
Dragons' eyes whirl in different colors representing their emotional state.
Red: Anger, Hunger(Active Appetite), Fear, Mating, Pain, Excitement.
Red/Orange: Mating, Alarm, Eagerness, Arousal.
Orange: Uncertainty, Suspicion, Anger, Mating, Alarm, Hunger, Agitation, Panic.
Yellow: Anxiety, Fear, (Reproachful?) Worry, Excitement
Pale Yellow: Concern.
Green: Delight, Tranquility, Placidity.
Blue: Longing, Interest, Mischief, Excitement.
Purple: Worry.
Lavender: Stress.
Grey: Great Worry/Stress/Sadness/Pain (Grey tones come to a dragon's hide too).