#51531D#51531D

#51531D is a dark, moderate yellow. Relative luminance 0.080; OKLCH L 42.8% C 0.075 H 111.2°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#51531D
RGB	rgb(81, 83, 29)
HSL	hsl(62, 48%, 22%)
HSV	hsv(62, 65%, 33%)
CMYK	cmyk(2.4%, 0%, 65.1%, 67.5%)
CIE-LAB	lab(34.03, -9.03, 30.52)
CIE-LCH	lch(34.03, 31.83, 106.49°)
OKLab	oklab(42.82% -0.0271 0.07)
OKLCH	oklch(42.82% 0.075 111.2)
XYZ	xyz(6.7085, 8.0247, 2.3577)
Luminance	0.0803 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51531D #1F1D53

analogous

#533A1D #51531D #36531D

triadic

#51531D #1D5153 #531D51

tetradic

#51531D #1D533A #1F1D53 #531D36

square

#51531D #1D533A #1F1D53 #531D36

split-complementary

#51531D #1D3653 #3A1D53

monochromatic

#161708 #25260D #51531D #7D802D #AAAE3D

Accessibility & contrast

On white

8.06

#51531D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#51531D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51531D

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51531D	#FFFFFF	#000000	##FFFFFF
##51531D	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F17

Deuteranopia (green-blind)

#5A5120

Tritanopia (blue-blind)

#574E48

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #51531d;
/* rgb */ color: rgb(81, 83, 29);
/* oklch */ color: oklch(42.8% 0.075 111.2);

Tailwind

colors: {
  custom: {
    50: '#84835c',
    500: '#51531d',
    950: '#000000',
  },
}

SCSS

$custom: #51531d;
$custom-light: #84835c;
$custom-dark: #000000;

JSON

{
  "hex": "#51531d",
  "rgb": {
    "r": 81,
    "g": 83,
    "b": 29
  },
  "hsl": {
    "h": 62.222,
    "s": 48.214,
    "l": 21.961
  },
  "oklch": {
    "l": 0.42821,
    "c": 0.07508,
    "h": 111.2
  },
  "luminance": 0.08025
}

Semantic roles & 50–950 ramp

primary

#51531D

secondary

#464488

accent

#50D855

background

#F8F8F5

surface

#EFEFE9

border

#CACAC5

text

#0B0A04

muted

#7C7C79

Preview Lab

Preview with #51531D

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

Preview Lab → · Contrast checker → · Palette generator →