#51571A#51571A

#51571A is a dark, moderate yellow. Relative luminance 0.086; OKLCH L 43.8% C 0.083 H 114.7°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#51571A
RGB	rgb(81, 87, 26)
HSL	hsl(66, 54%, 22%)
HSV	hsv(66, 70%, 34%)
CMYK	cmyk(6.9%, 0%, 70.1%, 65.9%)
CIE-LAB	lab(35.28, -11.58, 33.32)
CIE-LCH	lch(35.28, 35.27, 109.16°)
OKLab	oklab(43.81% -0.0346 0.0755)
OKLCH	oklch(43.81% 0.083 114.7)
XYZ	xyz(6.9882, 8.6404, 2.2767)
Luminance	0.0864 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51571A #201A57

analogous

#573F1A #51571A #32571A

triadic

#51571A #1A5157 #571A51

tetradic

#51571A #1A573F #201A57 #571A32

square

#51571A #1A573F #201A57 #571A32

split-complementary

#51571A #1A3257 #3F1A57

monochromatic

#161807 #25280C #51571A #7D8628 #A9B536

Accessibility & contrast

On white

7.70

#51571A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#51571A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51571A

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51571A	#FFFFFF	#000000	##FFFFFF
##51571A	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5212

Deuteranopia (green-blind)

#5D541E

Tritanopia (blue-blind)

#56524B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #51571a;
/* rgb */ color: rgb(81, 87, 26);
/* oklch */ color: oklch(43.8% 0.083 114.7);

Tailwind

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

SCSS

$custom: #51571a;
$custom-light: #84865a;
$custom-dark: #000000;

JSON

{
  "hex": "#51571a",
  "rgb": {
    "r": 81,
    "g": 87,
    "b": 26
  },
  "hsl": {
    "h": 65.902,
    "s": 53.982,
    "l": 22.157
  },
  "oklch": {
    "l": 0.4381,
    "c": 0.08302,
    "h": 114.7
  },
  "luminance": 0.0864
}

Semantic roles & 50–950 ramp

primary

#51571A

secondary

#47408D

accent

#4ADD59

background

#F8F8F5

surface

#EFEFE9

border

#CACAC5

text

#0B0B04

muted

#7C7C79

Preview Lab

Preview with #51571A

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

Preview Lab → · Contrast checker → · Palette generator →