Coral Red & Sulpher Yellow +2

About this combination

Combination 320 of 348 in Wada's six-volume 1933 work. A 4-colour grouping of Coral Red, Sulpher Yellow, Oil Green, Light Glaucous Blue, as documented in the original plates.

Historical context

Plate 320 of Wada's 348 anchors Coral Red, Sulpher Yellow, Oil Green and Light Glaucous Blue in the red family — a 4-colour grouping with a refined, warm, bold character, recorded in the Showa-era volumes of Sanzo Wada's 1933 Dictionary of Color Combinations, where these shikisai names have sat in the public domain for generations. Its strongest pairing — Sulpher Yellow on Oil Green — reaches a contrast ratio of 2.89:1, below the WCAG text-contrast floor, so it reads best in decorative blocks rather than text pairings.