no change/own eye color - detachment
maroon - Eiji - possessive, resentment, obsession/need, jealousy/envy
rose red - Kaguya - Wants To Fight
light red - Kousuke - resignation, release
pink - Ruby - contentment, gratitude, fondness
vivid red - Shrike - dissatisfaction, the drive to improve or correct
bright green - Leo - deeply moved, awed, overjoyed
emerald green - Nitro - what is the emotional terminology for !!I GET TO BE THE SENPAI NOW!!!!1!1!!11, pride, big sister energy
right aqua and left yellow - Kohime - when faced with something VERY CUTE, amusement
sky blue - Eichi - sympathy for the devil, loss, regret
steel blue - Griffin - excitement, adrenaline
lavender - Shu - contemplation, fascination
violet - Hiryuu - shame, embarrassment, discomfort
dark brown - Nemesis - knowing something is a lie and choosing to believe it anyway
light brown - Kozuru - duty, decisiveness, Get Shit Done Mode
gray - Gold - concern, worry, care, fear, guilt, wanting to make someone smile
dark gray - Nychta - loathing, anger, rejection
black - Cardinal - uncertain, troubled, confused
white - Sanga - at ease
metallic silver - sword - sword