#81731D#81731D

#81731D is a mid, moderate yellow. Relative luminance 0.170; OKLCH L 55.3% C 0.103 H 99.6°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#81731D
RGB	rgb(129, 115, 29)
HSL	hsl(52, 63%, 31%)
HSV	hsv(52, 78%, 51%)
CMYK	cmyk(0%, 10.9%, 77.5%, 49.4%)
CIE-LAB	lab(48.28, -4.46, 46.43)
CIE-LCH	lch(48.28, 46.64, 95.49°)
OKLab	oklab(55.27% -0.0173 0.102)
OKLCH	oklch(55.27% 0.103 99.6)
XYZ	xyz(15.4065, 17.0181, 3.6355)
Luminance	0.1702 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81731D #1D2B81

analogous

#81411D #81731D #5D811D

triadic

#81731D #1D8173 #731D81

tetradic

#81731D #1D8141 #1D2B81 #811D5D

square

#81731D #1D8141 #1D2B81 #811D5D

split-complementary

#81731D #1D5D81 #411D81

monochromatic

#1D1A07 #4F4612 #81731D #B3A028 #D5C144

Accessibility & contrast

On white

4.77

#81731D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#81731D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #81731D

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81731D	#FFFFFF	#000000	##FFFFFF
##81731D	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F700C

Deuteranopia (green-blind)

#837523

Tritanopia (blue-blind)

#8C6A62

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #81731d;
/* rgb */ color: rgb(129, 115, 29);
/* oklch */ color: oklch(55.3% 0.103 99.6);

Tailwind

colors: {
  custom: {
    50: '#a99b60',
    500: '#81731d',
    950: '#000000',
  },
}

SCSS

$custom: #81731d;
$custom-light: #a99b60;
$custom-dark: #000000;

JSON

{
  "hex": "#81731d",
  "rgb": {
    "r": 129,
    "g": 115,
    "b": 29
  },
  "hsl": {
    "h": 51.6,
    "s": 63.291,
    "l": 30.98
  },
  "oklch": {
    "l": 0.55266,
    "c": 0.10342,
    "h": 99.6
  },
  "luminance": 0.17017
}

Semantic roles & 50–950 ramp

primary

#81731D

secondary

#4655B4

accent

#59E641

background

#FAF9F5

surface

#F4F2EA

border

#CECCC6

text

#100E05

muted

#7F7E79

Preview Lab

Preview with #81731D

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

Preview Lab → · Contrast checker → · Palette generator →