Japanese Birth Color Finder & Meaning Guide (誕生色)
Discover your official 366-day traditional Japanese birth color (誕生色 - Tanjo-iro), authentic color language (色言葉), hex code, kanji name, personality traits, and download an aesthetic keepsake card.
Select Your Birthday to Uncover Your Soul Color
In Japan, every single calendar day holds an official traditional hue and sacred color motto (色言葉 - Irokotoba). Choose your birth date below.
Traditional Japanese Color Harmonies (襲色目 - Kasane no Irome)
Derived classical palettes paired with your birth color. Click any palette swatch to copy its HEX code.
Explore All 366 Days of Traditional Colors
Filter by month, color family, or search by color name, Kanji, or hex code.
Keepsake Card Studio
Personalize your traditional Japanese birth color keepsake print. Perfect for social stories, digital wallpapers, or framed prints.
The Sacred Art of Traditional Japanese Colors (日本の伝統色)
For more than 1,400 years, Japanese civilization has cultivated one of the world's most intricate and poetic color philosophies. Known collectively as Nihon no Dentōshoku (日本の伝統色), these traditional hues are not arbitrary numbers on a screen; they are direct extractions from Japan’s mountains, oceans, flowers, and seasonal skies. From the crushed roots of madder (Akane) creating glowing sunset scarlets to fermented indigo leaves (Tadeai) producing oceanic depth, Japanese colors were woven into literature, imperial rank, and daily spiritual life.
The tradition of Tanjo-iro (誕生色) links each calendar date to an individual traditional hue. Just as Western culture looks to birthstones and zodiac signs, and Korean culture celebrates daily Tansaenghwa (birth flowers), Japan assigns a personal color carrying an authentic philosophical motto known as Irokotoba (色言葉).
Prince Shōtoku’s Cap Rank System and the "Forbidden Colors"
In 603 AD, regent Prince Shōtoku instituted the famous Twelve-Level Cap Rank System (冠位十二階), assigning distinct colors of silk caps to court officials based on Confucian virtues: Morality (Purple), Benevolence (Blue), Decorum (Red), Faith (Yellow), Justice (White), and Knowledge (Black).
Over the centuries, certain colors became so sacred that they were legally designated as Kinjiki (禁色, "Forbidden Colors") reserved exclusively for the Emperor and imperial family—such as Kōrozen (黄櫨染), the mysterious red-brown hue of the midday sun. Commoners wore Yurushiiro (許し色, "Permissible Colors"), giving rise to subtle, breathtaking shades like tea-browns (Cha-iro) and mouse-greys (Nezumi-iro) in the Edo period.
Heian Court & Kasane no Irome (重ねの色目)
During the Heian era (794–1185 AD), aristocratic ladies wore the magnificent twelve-layer silk robe (Jūnihitoe). The art of pairing the outer silk color with the inner lining was known as Kasane no Irome. These combinations were strictly governed by seasonal timing: wearing a plum-blossom pairing when the peach trees were already blooming was considered a cultural faux pas. Your birth color’s harmony pairings in this tool honor these exact Heian aesthetic formulas.