I find interesting how only ONE character has gray/black eyes
Reisen Udongein InabaShiki Eiki, YamaxanaduOnce again, Daiyousei, Koakuma and Inubashiri Momiji were done through references to pixiv illustrations.Color: red + pink
Shape: childish + slit eyeColor: blue or red *2
Shape: big + childishColor: blue
Shape: childish + slit eyeColor: red
Shape: childish + slit eyeColor: red + brown + black
Shape: normal + sedateColor: red
Shape: slit eye + childishColor: red
Shape: slit eyeColor: red or yellow
Shape: slightly slit eyeColor: yellow + brown + green
Shape: normal + sedateChenDaiyouseiMizuhashi ParseeSimplified Characters Eyes' Colours & Shapes ChartGrey = Protagonists + OthersCirnoHakurei ReimuKirisame MarisaRumiaLetty WhiterockAlice MagatroidLily WhiteLunasa PrismriverKonpaku YoumuInubashiri MomijiKurodani YamameLuna ChildReiuji UtsuhoMerlin PrismriverMystia LoreleiFujiwara no MokouShameimaru AyaAki MinorikoKagiyama HinaMoriya SuwakoNagae IkuKomeiji SatoriKaenbyou RinMorichika RinnosukeSunny MilkStar Sapphire*1 The colour of the eyes changes when spell cards are used.Color: red + brown
Shape: normalColor: yellow + orange
Shape: normal + slit eyeColor: red
Shape: childish + roundColor: purple
Shape: authoritative eyeColor: pink + purple
Shape: normal + childishColor: red
Shape: childish + slit eyeColor: purple + pink
Shape: authoritative eyeColor: purple + blue --> red *1
Shape: slit eyeKochiya SanaeYasaka KanakoHinanawi TenshiKisume*2 There is no official information on Lily White, hence colour schemes commonly seen on pixiv are used.Color: blue
Shape: sedateColor: green
Shape: childishColor: brown
Shape: childish + slightly slit eyeColor: thin black
Shape: childish + sedateColor: blue + purple
Shape: childish + normalColor: red + brown
Shape: childish + slit eyeColor: green
Shape: sedateColor: water color
Shape: normal + childishColor: red
Shape: adult + slit eyeColor: red
Shape: childish + normalColor: yellow-green
Shape: childish + sedateColor: dark brown
Shape: adult + slit eyeThose after Chireiden as well as another part of the works are not yet listed. (Mary and such) I beg your understanding.
Chireiden refers to Subterranean Animism.
Mary refers to Maribel Hearn. Probably.
The last line feels awkward, so please change it if there is an alternative.Blue = Touhou Eiyashou
Imperishable NightHieda no AkyuuPurple = Touhou Kaeidzuka
Phantasmagoria of Flower ViewOrange = Touhou Fuujinroku
Mountain of FaithBrown = Touhou Chireiden
Subterranean AnimismHong MeilingKoakumaPatchouli KnowledgeIzayoi SakuyaRemilia ScarletWriggle NightbugOnozuka KomachiFlandre ScarletYagokoro EirinHouraisan KaguyaMedicine MelancholyKazami YuukaColor: green + yellow-green
Shape: sedateColor: turquoise
Shape: slightly slit eyeColor: red
Shape: slit eye + childishColor: red
Shape: childish + bigKomeiji KoishiColor: yellowish brown (or brownish yellow)
Shape: kinda authoritative eyeColor: red + pink
Shape: sedateColor: yellow
Shape: adult + sedateColor: purple
Shape: adult + slit eyeColor: orange + brown
Shape: childish + slit eyeColor: green
Shape: normalColor: red
Shape: sedate + slit eyeColor: red + pink
Shape: slit eyeColor: turquoise
Shape: normal + childishColor: red
Shape: childish + slit eyeColor: blue + purple
Shape: adult sedateColor: blue --> red *1
Shape: slightly slit eyeRed = Touhou Koumakyou
Embodiment of Scarlet DevilGreen = Touhou Youyoumu
Perfect Cherry BlossomLyrica PrismriverYakumo RanColor: water color + deep blue
Shape: childish + slit eyeYellow = Touhou Suimusou
Immaterial and Missing PowerSaigyouji YuyukoYakumo YukariIbuki SuikaColor: red + brown
Shape: normal + childishKawashirasawa KeineInaba TewiAki ShizuhaKawashiro NitoriHoshiguma YuugiColor: brown + red
Shape: normal + childishColor: blue + water color
Shape: slightly slit eyeColor: red
Shape: slit eyeColor: deep blue
Shape: adult + slit eyeColor: red + brown
Shape: sedateColor: green
Shape: slit eyeColor: red
Shape: slit eyeColor: red
Shape: slit eyeColor: brown + yellow
Shape: childishColor: red
Shape: slit eyeColor: red + purple
Shape: childish + sedateColor: red (Ex Keine has the same color)
Shape: adult + normal