#81B029#81B029

#81B029 is a light, vivid yellow-green. Relative luminance 0.359; OKLCH L 69.9% C 0.166 H 127.5°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#81B029
RGB	rgb(129, 176, 41)
HSL	hsl(81, 62%, 43%)
HSV	hsv(81, 77%, 69%)
CMYK	cmyk(26.7%, 0%, 76.7%, 31%)
CIE-LAB	lab(66.43, -35.02, 59.38)
CIE-LCH	lch(66.43, 68.94, 120.53°)
OKLab	oklab(69.87% -0.1008 0.1315)
OKLCH	oklch(69.87% 0.166 127.5)
XYZ	xyz(24.9789, 35.8774, 7.7064)
Luminance	0.3588 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B029 #5829B0

analogous

#B09C29 #81B029 #3DB029

triadic

#81B029 #2981B0 #B02981

tetradic

#81B029 #29B09C #5829B0 #B0293D

square

#81B029 #29B09C #5829B0 #B0293D

split-complementary

#81B029 #293DB0 #9C29B0

monochromatic

#384D12 #5D7E1D #81B029 #A1D343 #BADF75

Accessibility & contrast

On white

2.57

#81B029 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.18

#81B029 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B029

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B029	#FFFFFF	#000000	##000000
##81B029	1.00	2.57	8.18	8.18
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.18	21.00	1.00	1.00
##000000	8.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A305

Deuteranopia (green-blind)

#B3A136

Tritanopia (blue-blind)

#86A897

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #81b029;
/* rgb */ color: rgb(129, 176, 41);
/* oklch */ color: oklch(69.9% 0.166 127.5);

Tailwind

colors: {
  custom: {
    50: '#aac76e',
    500: '#81b029',
    950: '#000000',
  },
}

SCSS

$custom: #81b029;
$custom-light: #aac76e;
$custom-dark: #000000;

JSON

{
  "hex": "#81b029",
  "rgb": {
    "r": 129,
    "g": 176,
    "b": 41
  },
  "hsl": {
    "h": 80.889,
    "s": 62.212,
    "l": 42.549
  },
  "oklch": {
    "l": 0.69873,
    "c": 0.16566,
    "h": 127.5
  },
  "luminance": 0.35878
}

Semantic roles & 50–950 ramp

primary

#81B029

secondary

#8D6FC6

accent

#43E57B

background

#FAFCF6

surface

#F4F8EC

border

#CED1C7

text

#101308

muted

#7F827B

Preview Lab

Preview with #81B029

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

Preview Lab → · Contrast checker → · Palette generator →