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. 318

No. 318

4 colors

Motion Message lab

ground
Deep Slate Green鉄色 rgb(17, 47, 44)
trail
Blackish Olive藍海松茶 rgb(66, 83, 62)
type
Light Brownish Olive鶯茶 rgb(128, 110, 75)
accent
Dusky Green海松藍 rgb(0, 79, 70)

Highest-contrast pair: Light Brownish Olive on Deep Slate Green, 2.90:1 (decorative only; add a neutral for text).

/* Sanzo Wada — Haishoku Sōkan — combination no. 318 */
:root {
  --wada-light-brownish-olive: #806e4b; /* oklch(54.6% 0.055 83.5) · 鶯茶 */
  --wada-blackish-olive: #42533e; /* oklch(42.1% 0.040 139.7) · 藍海松茶 */
  --wada-dusky-green: #004f46; /* oklch(38.4% 0.069 181.9) · 海松藍 */
  --wada-deep-slate-green: #112f2c; /* oklch(28.1% 0.036 186.6) · 鉄色 */

  /* suggested roles */
  --ground: var(--wada-deep-slate-green);
  --type: var(--wada-light-brownish-olive);
  --accent: var(--wada-dusky-green);
  --trail: var(--wada-blackish-olive);
}

/* OKLCH variant */
:root {
  --wada-light-brownish-olive: oklch(54.6% 0.055 83.5);
  --wada-blackish-olive: oklch(42.1% 0.040 139.7);
  --wada-dusky-green: oklch(38.4% 0.069 181.9);
  --wada-deep-slate-green: oklch(28.1% 0.036 186.6);
}

Source crosswalk: port number 318; authenticated modern page/plate and membership remain unresolved.

Download c318 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.