#81C02B#81C02B

#81C02B is a light, vivid yellow-green. Relative luminance 0.425; OKLCH L 73.8% C 0.184 H 130.5°. Best body text is #000000 at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#81C02B
RGB	rgb(129, 192, 43)
HSL	hsl(85, 63%, 46%)
HSV	hsv(85, 78%, 75%)
CMYK	cmyk(32.8%, 0%, 77.6%, 24.7%)
CIE-LAB	lab(71.24, -42.01, 63.29)
CIE-LCH	lch(71.24, 75.96, 123.58°)
OKLab	oklab(73.8% -0.1196 0.14)
OKLCH	oklch(73.8% 0.184 130.5)
XYZ	xyz(28.3388, 42.5398, 9.0029)
Luminance	0.4254 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81C02B #6A2BC0

analogous

#C0B42B #81C02B #37C02B

triadic

#81C02B #2B81C0 #C02B81

tetradic

#81C02B #2BC0B4 #6A2BC0 #C02B37

square

#81C02B #2BC0B4 #6A2BC0 #C02B37

split-complementary

#81C02B #2B37C0 #B42BC0

monochromatic

#3E5C15 #5F8E20 #81C02B #9FD850 #BAE382

Accessibility & contrast

On white

2.21

#81C02B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.51

#81C02B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C02B

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81C02B	#FFFFFF	#000000	##000000
##81C02B	1.00	2.21	9.51	9.51
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.51	21.00	1.00	1.00
##000000	9.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B100

Deuteranopia (green-blind)

#C0AD3B

Tritanopia (blue-blind)

#84B8A4

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #81c02b;
/* rgb */ color: rgb(129, 192, 43);
/* oklch */ color: oklch(73.8% 0.184 130.5);

Tailwind

colors: {
  custom: {
    50: '#abd371',
    500: '#81c02b',
    950: '#000000',
  },
}

SCSS

$custom: #81c02b;
$custom-light: #abd371;
$custom-dark: #000000;

JSON

{
  "hex": "#81c02b",
  "rgb": {
    "r": 129,
    "g": 192,
    "b": 43
  },
  "hsl": {
    "h": 85.369,
    "s": 63.404,
    "l": 46.078
  },
  "oklch": {
    "l": 0.73795,
    "c": 0.18412,
    "h": 130.5
  },
  "luminance": 0.42541
}

Semantic roles & 50–950 ramp

primary

#81C02B

secondary

#9D7BCC

accent

#41E687

background

#FAFDF7

surface

#F5FAED

border

#CFD3C8

text

#111408

muted

#80837B

Preview Lab

Preview with #81C02B

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

Preview Lab → · Contrast checker → · Palette generator →