#81991B#81991B

#81991B is a light, vivid yellow-green. Relative luminance 0.275; OKLCH L 64.2% C 0.145 H 120.6°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#81991B
RGB	rgb(129, 153, 27)
HSL	hsl(71, 70%, 35%)
HSV	hsv(71, 82%, 60%)
CMYK	cmyk(15.7%, 0%, 82.4%, 40%)
CIE-LAB	lab(59.46, -24.71, 57.25)
CIE-LCH	lch(59.46, 62.36, 113.35°)
OKLab	oklab(64.21% -0.0737 0.1246)
OKLCH	oklch(64.21% 0.145 120.6)
XYZ	xyz(20.6427, 27.5288, 5.2628)
Luminance	0.2753 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81991B #331B99

analogous

#99721B #81991B #42991B

triadic

#81991B #1B8199 #991B81

tetradic

#81991B #1B9972 #331B99 #991B42

square

#81991B #1B9972 #331B99 #991B42

split-complementary

#81991B #1B4299 #721B99

monochromatic

#293109 #556512 #81991B #ADCD24 #C4E04F

Accessibility & contrast

On white

3.23

#81991B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#81991B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #81991B

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81991B	#FFFFFF	#000000	##000000
##81991B	1.00	3.23	6.51	6.51
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A38F00

Deuteranopia (green-blind)

#A08F29

Tritanopia (blue-blind)

#899082

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #81991b;
/* rgb */ color: rgb(129, 153, 27);
/* oklch */ color: oklch(64.2% 0.145 120.6);

Tailwind

colors: {
  custom: {
    50: '#a9b764',
    500: '#81991b',
    950: '#000000',
  },
}

SCSS

$custom: #81991b;
$custom-light: #a9b764;
$custom-dark: #000000;

JSON

{
  "hex": "#81991b",
  "rgb": {
    "r": 129,
    "g": 153,
    "b": 27
  },
  "hsl": {
    "h": 71.429,
    "s": 70,
    "l": 35.294
  },
  "oklch": {
    "l": 0.64212,
    "c": 0.14479,
    "h": 120.6
  },
  "luminance": 0.27529
}

Semantic roles & 50–950 ramp

primary

#81991B

secondary

#644EC2

accent

#3BED5D

background

#FAFBF6

surface

#F4F6EB

border

#CED0C6

text

#101106

muted

#7F807A

Preview Lab

Preview with #81991B

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

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