Japanese Color Atlas日本色譜ごふんいろ · Oyster shell white · family white
胡粉色 (Gofun-iro) is catalogued here as oyster shell white. Tobunken/CAMEO support 胡粉 as shell-white material context. HEX remains a modern display approximation, not measured colorimetry.
Tobunken records the underlying color/material term in the Nara-period vocabulary database derived from 『大日本古文書』; this supports historical name attestation, not measured sRGB.
Name appears in at least one CC BY-SA Wikipedia traditional Japanese color list; HEX remains a Chroma Cathay digital approximation for design use.
Traditional color names predate modern screen color spaces, so this HEX value is a design approximation rather than a material measurement.
These entries preserve historical material, pigment, dye, or alternate-graph evidence without treating it as a direct HEX source for this color.
SOURCE BASIS Tobunken's 彩色DB records 胡粉 (shell white) in Nara-period inventories such as the Hōryū-ji records.
RELATIONSHIP 胡粉 is the calcium-carbonate shell white that gives 胡粉色 its name and is still made for nihonga today.
CAVEAT Material context only; whiteness depends on shell source and grind, so the HEX stays an approximation.
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