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. 303

No. 303

4 colors

Motion Message lab

ground
Neutral Gray銀鼠 rgb(182, 191, 193)
type
Deep Slate Olive千斎茶 rgb(37, 49, 34)
trail
Naples Yellow淡黄蘗 rgb(251, 230, 160)
accent
Peach Red杏色 rgb(241, 90, 48)

Highest-contrast pair: Naples Yellow on Deep Slate Olive, 10.98:1 (passes WCAG AA for body text).

/* Sanzo Wada — Haishoku Sōkan — combination no. 303 */
:root {
  --wada-naples-yellow: #fbe6a0; /* oklch(92.6% 0.091 93.4) · 淡黄蘗 */
  --wada-peach-red: #f15a30; /* oklch(66.1% 0.194 36.0) · 杏色 */
  --wada-deep-slate-olive: #253122; /* oklch(29.7% 0.031 139.4) · 千斎茶 */
  --wada-neutral-gray: #b6bfc1; /* oklch(79.8% 0.010 212.5) · 銀鼠 */

  /* suggested roles */
  --ground: var(--wada-neutral-gray);
  --type: var(--wada-deep-slate-olive);
  --accent: var(--wada-peach-red);
  --trail: var(--wada-naples-yellow);
}

/* OKLCH variant */
:root {
  --wada-naples-yellow: oklch(92.6% 0.091 93.4);
  --wada-peach-red: oklch(66.1% 0.194 36.0);
  --wada-deep-slate-olive: oklch(29.7% 0.031 139.4);
  --wada-neutral-gray: oklch(79.8% 0.010 212.5);
}

Source crosswalk: port number 303; authenticated modern page/plate and membership remain unresolved.

Download c303 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.