#81931B#81931B

#81931B is a light, vivid yellow. Relative luminance 0.256; OKLCH L 62.8% C 0.138 H 118.4°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#81931B
RGB	rgb(129, 147, 27)
HSL	hsl(69, 69%, 34%)
HSV	hsv(69, 82%, 58%)
CMYK	cmyk(12.2%, 0%, 81.6%, 42.4%)
CIE-LAB	lab(57.67, -21.71, 55.67)
CIE-LCH	lch(57.67, 59.75, 111.31°)
OKLab	oklab(62.77% -0.0655 0.1213)
OKLCH	oklch(62.77% 0.138 118.4)
XYZ	xyz(19.6853, 25.6139, 4.9436)
Luminance	0.2561 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81931B #2D1B93

analogous

#93691B #81931B #45931B

triadic

#81931B #1B8193 #931B81

tetradic

#81931B #1B9369 #2D1B93 #931B45

square

#81931B #1B9369 #2D1B93 #931B45

split-complementary

#81931B #1B4593 #691B93

monochromatic

#262C08 #545F12 #81931B #AEC724 #C8DE4B

Accessibility & contrast

On white

3.43

#81931B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#81931B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #81931B

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81931B	#FFFFFF	#000000	##000000
##81931B	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D8A00

Deuteranopia (green-blind)

#9B8B27

Tritanopia (blue-blind)

#898A7D

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #81931b;
/* rgb */ color: rgb(129, 147, 27);
/* oklch */ color: oklch(62.8% 0.138 118.4);

Tailwind

colors: {
  custom: {
    50: '#a9b264',
    500: '#81931b',
    950: '#000000',
  },
}

SCSS

$custom: #81931b;
$custom-light: #a9b264;
$custom-dark: #000000;

JSON

{
  "hex": "#81931b",
  "rgb": {
    "r": 129,
    "g": 147,
    "b": 27
  },
  "hsl": {
    "h": 69,
    "s": 68.966,
    "l": 34.118
  },
  "oklch": {
    "l": 0.62767,
    "c": 0.1378,
    "h": 118.4
  },
  "luminance": 0.25614
}

Semantic roles & 50–950 ramp

primary

#81931B

secondary

#5C4AC0

accent

#3CEC56

background

#FAFAF6

surface

#F4F5EB

border

#CECFC6

text

#101006

muted

#7F7F7A

Preview Lab

Preview with #81931B

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

Preview Lab → · Contrast checker → · Palette generator →