#81731A#81731A

#81731A is a mid, moderate yellow. Relative luminance 0.170; OKLCH L 55.2% C 0.105 H 99.8°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#81731A
RGB	rgb(129, 115, 26)
HSL	hsl(52, 66%, 30%)
HSV	hsv(52, 80%, 51%)
CMYK	cmyk(0%, 10.9%, 79.8%, 49.4%)
CIE-LAB	lab(48.26, -4.59, 47.52)
CIE-LCH	lch(48.26, 47.74, 95.52°)
OKLab	oklab(55.25% -0.0179 0.1037)
OKLCH	oklch(55.25% 0.105 99.8)
XYZ	xyz(15.3712, 17.0039, 3.4495)
Luminance	0.1700 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81731A #1A2881

analogous

#81401A #81731A #5B811A

triadic

#81731A #1A8173 #731A81

tetradic

#81731A #1A8140 #1A2881 #811A5B

square

#81731A #1A8140 #1A2881 #811A5B

split-complementary

#81731A #1A5B81 #401A81

monochromatic

#1B1805 #4E4610 #81731A #B4A024 #D8C33D

Accessibility & contrast

On white

4.77

#81731A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#81731A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #81731A

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81731A	#FFFFFF	#000000	##FFFFFF
##81731A	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)

#7F7006

Deuteranopia (green-blind)

#837520

Tritanopia (blue-blind)

#8C6A62

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #81731a;
/* rgb */ color: rgb(129, 115, 26);
/* oklch */ color: oklch(55.2% 0.105 99.8);

Tailwind

colors: {
  custom: {
    50: '#a99a5f',
    500: '#81731a',
    950: '#000000',
  },
}

SCSS

$custom: #81731a;
$custom-light: #a99a5f;
$custom-dark: #000000;

JSON

{
  "hex": "#81731a",
  "rgb": {
    "r": 129,
    "g": 115,
    "b": 26
  },
  "hsl": {
    "h": 51.845,
    "s": 66.452,
    "l": 30.392
  },
  "oklch": {
    "l": 0.55246,
    "c": 0.1052,
    "h": 99.8
  },
  "luminance": 0.17003
}

Semantic roles & 50–950 ramp

primary

#81731A

secondary

#4252B5

accent

#56E93E

background

#FAF9F5

surface

#F4F2EA

border

#CECCC6

text

#100E05

muted

#7F7E79

Preview Lab

Preview with #81731A

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

Preview Lab → · Contrast checker → · Palette generator →