#81BF2B#81BF2B

#81BF2B is a light, vivid yellow-green. Relative luminance 0.421; OKLCH L 73.6% C 0.183 H 130.3°. Best body text is #000000 at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#81BF2B
RGB	rgb(129, 191, 43)
HSL	hsl(85, 63%, 46%)
HSV	hsv(85, 77%, 75%)
CMYK	cmyk(32.5%, 0%, 77.5%, 25.1%)
CIE-LAB	lab(70.94, -41.58, 63.00)
CIE-LCH	lch(70.94, 75.49, 123.42°)
OKLab	oklab(73.55% -0.1184 0.1394)
OKLCH	oklch(73.55% 0.183 130.3)
XYZ	xyz(28.1199, 42.1022, 8.9300)
Luminance	0.4210 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BF2B #692BBF

analogous

#BFB32B #81BF2B #37BF2B

triadic

#81BF2B #2B81BF #BF2B81

tetradic

#81BF2B #2BBFB3 #692BBF #BF2B37

square

#81BF2B #2BBFB3 #692BBF #BF2B37

split-complementary

#81BF2B #2B37BF #B32BBF

monochromatic

#3E5B15 #5F8D20 #81BF2B #9FD850 #BAE382

Accessibility & contrast

On white

2.23

#81BF2B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.42

#81BF2B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BF2B

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BF2B	#FFFFFF	#000000	##000000
##81BF2B	1.00	2.23	9.42	9.42
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.42	21.00	1.00	1.00
##000000	9.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B100

Deuteranopia (green-blind)

#BFAC3B

Tritanopia (blue-blind)

#84B7A3

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #81bf2b;
/* rgb */ color: rgb(129, 191, 43);
/* oklch */ color: oklch(73.6% 0.183 130.3);

Tailwind

colors: {
  custom: {
    50: '#abd270',
    500: '#81bf2b',
    950: '#000000',
  },
}

SCSS

$custom: #81bf2b;
$custom-light: #abd270;
$custom-dark: #000000;

JSON

{
  "hex": "#81bf2b",
  "rgb": {
    "r": 129,
    "g": 191,
    "b": 43
  },
  "hsl": {
    "h": 85.135,
    "s": 63.248,
    "l": 45.882
  },
  "oklch": {
    "l": 0.73551,
    "c": 0.18292,
    "h": 130.3
  },
  "luminance": 0.42103
}

Semantic roles & 50–950 ramp

primary

#81BF2B

secondary

#9C7ACC

accent

#42E687

background

#FAFCF7

surface

#F5F9ED

border

#CFD2C8

text

#111408

muted

#80827B

Preview Lab

Preview with #81BF2B

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

Preview Lab → · Contrast checker → · Palette generator →