#81B52A#81B52A

#81B52A is a light, vivid yellow-green. Relative luminance 0.379; OKLCH L 71.1% C 0.171 H 128.5°. Best body text is #000000 at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#81B52A
RGB	rgb(129, 181, 42)
HSL	hsl(82, 62%, 44%)
HSV	hsv(82, 77%, 71%)
CMYK	cmyk(28.7%, 0%, 76.8%, 29%)
CIE-LAB	lab(67.93, -37.23, 60.49)
CIE-LCH	lch(67.93, 71.02, 121.61°)
OKLab	oklab(71.1% -0.1067 0.134)
OKLCH	oklch(71.1% 0.171 128.5)
XYZ	xyz(25.9950, 37.8814, 8.1323)
Luminance	0.3788 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B52A #5E2AB5

analogous

#B5A32A #81B52A #3BB52A

triadic

#81B52A #2A81B5 #B52A81

tetradic

#81B52A #2AB5A3 #5E2AB5 #B52A3B

square

#81B52A #2AB5A3 #5E2AB5 #B52A3B

split-complementary

#81B52A #2A3BB5 #A32AB5

monochromatic

#3A5213 #5E831E #81B52A #A0D448 #BAE079

Accessibility & contrast

On white

2.45

#81B52A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.58

#81B52A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B52A

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B52A	#FFFFFF	#000000	##000000
##81B52A	1.00	2.45	8.58	8.58
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.58	21.00	1.00	1.00
##000000	8.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEA804

Deuteranopia (green-blind)

#B7A438

Tritanopia (blue-blind)

#85AD9B

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #81b52a;
/* rgb */ color: rgb(129, 181, 42);
/* oklch */ color: oklch(71.1% 0.171 128.5);

Tailwind

colors: {
  custom: {
    50: '#aacb6f',
    500: '#81b52a',
    950: '#000000',
  },
}

SCSS

$custom: #81b52a;
$custom-light: #aacb6f;
$custom-dark: #000000;

JSON

{
  "hex": "#81b52a",
  "rgb": {
    "r": 129,
    "g": 181,
    "b": 42
  },
  "hsl": {
    "h": 82.446,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.71099,
    "c": 0.17125,
    "h": 128.5
  },
  "luminance": 0.37882
}

Semantic roles & 50–950 ramp

primary

#81B52A

secondary

#9373C8

accent

#42E57F

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101308

muted

#7F827B

Preview Lab

Preview with #81B52A

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

Preview Lab → · Contrast checker → · Palette generator →