#81BB34#81BB34

#81BB34 is a light, vivid yellow-green. Relative luminance 0.405; OKLCH L 72.6% C 0.173 H 130.2°. Best body text is #000000 at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#81BB34
RGB	rgb(129, 187, 52)
HSL	hsl(86, 56%, 47%)
HSV	hsv(86, 72%, 73%)
CMYK	cmyk(31%, 0%, 72.2%, 26.7%)
CIE-LAB	lab(69.79, -39.32, 58.87)
CIE-LCH	lch(69.79, 70.79, 123.74°)
OKLab	oklab(72.63% -0.1116 0.1321)
OKLCH	oklch(72.63% 0.173 130.2)
XYZ	xyz(27.4433, 40.4548, 9.6108)
Luminance	0.4046 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BB34 #6E34BB

analogous

#BBB234 #81BB34 #3EBB34

triadic

#81BB34 #3481BB #BB3481

tetradic

#81BB34 #34BBB2 #6E34BB #BB343E

square

#81BB34 #34BBB2 #6E34BB #BB343E

split-complementary

#81BB34 #343EBB #B234BB

monochromatic

#3F5B19 #608B27 #81BB34 #9ED15B #BBDF8B

Accessibility & contrast

On white

2.31

#81BB34 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.09

#81BB34 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BB34

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BB34	#FFFFFF	#000000	##000000
##81BB34	1.00	2.31	9.09	9.09
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.09	21.00	1.00	1.00
##000000	9.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AD1C

Deuteranopia (green-blind)

#BCA940

Tritanopia (blue-blind)

#84B3A1

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #81bb34;
/* rgb */ color: rgb(129, 187, 52);
/* oklch */ color: oklch(72.6% 0.173 130.2);

Tailwind

colors: {
  custom: {
    50: '#aad074',
    500: '#81bb34',
    950: '#000000',
  },
}

SCSS

$custom: #81bb34;
$custom-light: #aad074;
$custom-dark: #000000;

JSON

{
  "hex": "#81bb34",
  "rgb": {
    "r": 129,
    "g": 187,
    "b": 52
  },
  "hsl": {
    "h": 85.778,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.72631,
    "c": 0.17296,
    "h": 130.2
  },
  "luminance": 0.40456
}

Semantic roles & 50–950 ramp

primary

#81BB34

secondary

#A082C9

accent

#48E089

background

#FAFCF7

surface

#F4F9ED

border

#CED2C8

text

#101409

muted

#7F827B

Preview Lab

Preview with #81BB34

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

Preview Lab → · Contrast checker → · Palette generator →