#51571D#51571D

#51571D is a dark, moderate yellow. Relative luminance 0.087; OKLCH L 43.8% C 0.080 H 114.8°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#51571D
RGB	rgb(81, 87, 29)
HSL	hsl(66, 50%, 23%)
HSV	hsv(66, 67%, 34%)
CMYK	cmyk(6.9%, 0%, 66.7%, 65.9%)
CIE-LAB	lab(35.31, -11.35, 31.91)
CIE-LCH	lch(35.31, 33.86, 109.58°)
OKLab	oklab(43.84% -0.0336 0.073)
OKLCH	oklch(43.84% 0.08 114.8)
XYZ	xyz(7.0235, 8.6545, 2.4627)
Luminance	0.0865 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51571D #231D57

analogous

#57401D #51571D #34571D

triadic

#51571D #1D5157 #571D51

tetradic

#51571D #1D5740 #231D57 #571D34

square

#51571D #1D5740 #231D57 #571D34

split-complementary

#51571D #1D3457 #401D57

monochromatic

#151708 #26290E #51571D #7C852C #A6B33C

Accessibility & contrast

On white

7.69

#51571D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#51571D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51571D

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51571D	#FFFFFF	#000000	##FFFFFF
##51571D	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5316

Deuteranopia (green-blind)

#5D5421

Tritanopia (blue-blind)

#56524B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #51571d;
/* rgb */ color: rgb(81, 87, 29);
/* oklch */ color: oklch(43.8% 0.080 114.8);

Tailwind

colors: {
  custom: {
    50: '#84865c',
    500: '#51571d',
    950: '#000000',
  },
}

SCSS

$custom: #51571d;
$custom-light: #84865c;
$custom-dark: #000000;

JSON

{
  "hex": "#51571d",
  "rgb": {
    "r": 81,
    "g": 87,
    "b": 29
  },
  "hsl": {
    "h": 66.207,
    "s": 50,
    "l": 22.745
  },
  "oklch": {
    "l": 0.43842,
    "c": 0.08034,
    "h": 114.8
  },
  "luminance": 0.08654
}

Semantic roles & 50–950 ramp

primary

#51571D

secondary

#4B448C

accent

#4EDA5D

background

#F8F8F5

surface

#EFEFE9

border

#CACAC5

text

#0B0B04

muted

#7C7C79

Preview Lab

Preview with #51571D

Body copy rendered with the generated semantic roles for this colour.

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