Composition and band areas/order are generated display choices. Equal swatches show port row order. Original Wada proportions/order are unresolved.

Haishoku Sōkan — combination no. 310

No. 310

4 colors

Motion Message lab

ground
Deep Slate Olive千斎茶 rgb(37, 49, 34)
type
Sulpher Yellow蒸栗色 rgb(245, 236, 194)
trail
Pinkish Cinnamon砥粉色 rgb(238, 180, 128)
accent
Olive橄欖色 rgb(131, 126, 49)

Highest-contrast pair: Sulpher Yellow on Deep Slate Olive, 11.46:1 (passes WCAG AA for body text).

/* Sanzo Wada — Haishoku Sōkan — combination no. 310 */
:root {
  --wada-sulpher-yellow: #f5ecc2; /* oklch(94.0% 0.055 97.3) · 蒸栗色 */
  --wada-pinkish-cinnamon: #eeb480; /* oklch(81.2% 0.096 62.7) · 砥粉色 */
  --wada-olive: #837e31; /* oklch(58.2% 0.099 105.6) · 橄欖色 */
  --wada-deep-slate-olive: #253122; /* oklch(29.7% 0.031 139.4) · 千斎茶 */

  /* suggested roles */
  --ground: var(--wada-deep-slate-olive);
  --type: var(--wada-sulpher-yellow);
  --accent: var(--wada-olive);
  --trail: var(--wada-pinkish-cinnamon);
}

/* OKLCH variant */
:root {
  --wada-sulpher-yellow: oklch(94.0% 0.055 97.3);
  --wada-pinkish-cinnamon: oklch(81.2% 0.096 62.7);
  --wada-olive: oklch(58.2% 0.099 105.6);
  --wada-deep-slate-olive: oklch(29.7% 0.031 139.4);
}

Source crosswalk: port number 310; authenticated modern page/plate and membership remain unresolved.

Download c310 JSON with IDs and provenance. Roles are suggestions computed from OKLCH chroma and contrast, not from Wada.

和田三造 · 配色総鑑. Screen colors are CMYK→sRGB digital approximations, including retained, unvalidated legacy estimates for unmatched Vol. 2 colors. Composition roles and month mappings follow the documented port method; edition mappings remain uncertain. Sources & method · Version 1 dataset (581 combinations, 330 color records) · Schema & provenance · Research context. Saved and Compare are local to this browser. Viewport-only screenshots show partial collections; complete cards are in the DOM and dataset.