Red
Yellow
Diamine Green
Slate Color

No. 251

4-color combination

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Colors

Red

HEX
RGB
CMYK

Yellow

HEX
RGB
CMYK

Slate Color

HEX
RGB
CMYK

Combination No. 251 in use

The palette applied to simple layouts. Colors are assigned to roles automatically; try other arrangements.

Color study

A dictionary of color

Background, surface, text and accent, taken from one of Wada’s combinations.

ExploreLearn more

Combination No. 251 as a living room

Painted following the 60-30-10 rule: about 60% wall color, 30% for the sofa, 10% for cushions, throw and vase. A fourth color goes to the rug and curtains; otherwise they stay undyed. Floor and ceiling stay neutral; the print shows the whole palette.

Readable text pairs

Harmony in contrastYellow · 6.1:1

Harmony in contrastSlate Color · 8.5:1

Harmony in contrastRed · 6.1:1

Harmony in contrastDiamine Green · 5.0:1

Harmony in contrastYellow · 5.0:1

Harmony in contrastYellow · 8.5:1

Analysis

Character

Medium & moderate

Lightness 57 (range 38–94)
Colorfulness 0.127

Average OKLCH lightness (0–100) and chroma (colorfulness).

Harmony

Color wheel with the combination’s hues; distance from the center shows colorfulnessRedYellowDiamine GreenSlate Color

Complementary

Includes hues from opposite sides of the color wheel.

A heuristic based on the painter’s color wheel. Wada’s combinations often ignore textbook rules, which is part of their appeal.

Temperature

Warm & cool

  • RedWarm
  • YellowWarm
  • Diamine GreenCool
  • Slate ColorNeutral

Reds, oranges and yellows count as warm; greens, blues and violets as cool.

Distinctness

ΔE 27

Closest pair ΔE 27.2 · average ΔE 52.8

CIEDE2000 color difference. Below about 10 colors look related; above 30 they are clearly distinct.

Contrast

AaBest text pair: Yellow on Slate Color (8.5:1)

ContrastWCAGAPCA Lc
AaAaRed · Yellow6.1:1AA73 / 77
AaAaRed · Diamine Green1.2:1Low0 / 0
AaAaRed · Slate Color1.4:1Low8 / 8
AaAaYellow · Diamine Green5.0:1AA72 / 68
AaAaYellow · Slate Color8.5:1AAA86 / 83
AaAaDiamine Green · Slate Color1.7:1Low13 / 13

WCAG 2 contrast ratio for text, and APCA lightness contrast (Lc) for each text/background direction.

Similar combinations

The closest palettes in perceptual color space (OKLab).

Export

Copy the palette as code or download it as an image.

/* Sanzo Wada, combination No. 251 */
:root {
  --red: #a72144; /* Red */
  --yellow: #fff200; /* Yellow */
  --diamine-green: #1a7444; /* Diamine Green */
  --slate-color: #34454c; /* Slate Color */
}

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