#51531E#51531E

#51531E is a dark, moderate yellow. Relative luminance 0.080; OKLCH L 42.8% C 0.074 H 111.2°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#51531E
RGB	rgb(81, 83, 30)
HSL	hsl(62, 47%, 22%)
HSV	hsv(62, 64%, 33%)
CMYK	cmyk(2.4%, 0%, 63.9%, 67.5%)
CIE-LAB	lab(34.04, -8.95, 30.02)
CIE-LCH	lch(34.04, 31.33, 106.60°)
OKLab	oklab(42.83% -0.0267 0.0691)
OKLCH	oklch(42.83% 0.074 111.2)
XYZ	xyz(6.7211, 8.0297, 2.4239)
Luminance	0.0803 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51531E #201E53

analogous

#533B1E #51531E #37531E

triadic

#51531E #1E5153 #531E51

tetradic

#51531E #1E533B #201E53 #531E37

square

#51531E #1E533B #201E53 #531E37

split-complementary

#51531E #1E3753 #3B1E53

monochromatic

#161608 #25260E #51531E #7D802E #A9AD3E

Accessibility & contrast

On white

8.06

#51531E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#51531E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51531E

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51531E	#FFFFFF	#000000	##FFFFFF
##51531E	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)

#594F18

Deuteranopia (green-blind)

#5A5121

Tritanopia (blue-blind)

#574E48

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #51531e;
/* rgb */ color: rgb(81, 83, 30);
/* oklch */ color: oklch(42.8% 0.074 111.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#51531e",
  "rgb": {
    "r": 81,
    "g": 83,
    "b": 30
  },
  "hsl": {
    "h": 62.264,
    "s": 46.903,
    "l": 22.157
  },
  "oklch": {
    "l": 0.42833,
    "c": 0.07411,
    "h": 111.2
  },
  "luminance": 0.0803
}

Semantic roles & 50–950 ramp

primary

#51531E

secondary

#474588

accent

#51D756

background

#F8F8F5

surface

#EFEFE9

border

#CACAC5

text

#0B0A04

muted

#7C7C79

Preview Lab

Preview with #51531E

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

Preview Lab → · Contrast checker → · Palette generator →