#81B52C#81B52C

#81B52C is a light, vivid yellow-green. Relative luminance 0.379; OKLCH L 71.1% C 0.170 H 128.6°. Best body text is #000000 at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#81B52C
RGB	rgb(129, 181, 44)
HSL	hsl(83, 61%, 44%)
HSV	hsv(83, 76%, 71%)
CMYK	cmyk(28.7%, 0%, 75.7%, 29%)
CIE-LAB	lab(67.94, -37.12, 59.84)
CIE-LCH	lch(67.94, 70.42, 121.81°)
OKLab	oklab(71.11% -0.1063 0.1329)
OKLCH	oklch(71.11% 0.17 128.6)
XYZ	xyz(26.0317, 37.8961, 8.3255)
Luminance	0.3790 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B52C #602CB5

analogous

#B5A52C #81B52C #3CB52C

triadic

#81B52C #2C81B5 #B52C81

tetradic

#81B52C #2CB5A5 #602CB5 #B52C3C

square

#81B52C #2CB5A5 #602CB5 #B52C3C

split-complementary

#81B52C #2C3CB5 #A52CB5

monochromatic

#3B5314 #5E8420 #81B52C #A0D34B #BADF7C

Accessibility & contrast

On white

2.45

#81B52C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.58

#81B52C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B52C

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B52C	#FFFFFF	#000000	##000000
##81B52C	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)

#BEA80B

Deuteranopia (green-blind)

#B7A43A

Tritanopia (blue-blind)

#85AD9B

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #81b52c;
/* rgb */ color: rgb(129, 181, 44);
/* oklch */ color: oklch(71.1% 0.170 128.6);

Tailwind

colors: {
  custom: {
    50: '#aacb70',
    500: '#81b52c',
    950: '#000000',
  },
}

SCSS

$custom: #81b52c;
$custom-light: #aacb70;
$custom-dark: #000000;

JSON

{
  "hex": "#81b52c",
  "rgb": {
    "r": 129,
    "g": 181,
    "b": 44
  },
  "hsl": {
    "h": 82.774,
    "s": 60.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.71112,
    "c": 0.17018,
    "h": 128.6
  },
  "luminance": 0.37897
}

Semantic roles & 50–950 ramp

primary

#81B52C

secondary

#9475C8

accent

#44E481

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101308

muted

#7F827B

Preview Lab

Preview with #81B52C

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

Preview Lab → · Contrast checker → · Palette generator →