#81BC33#81BC33

#81BC33 is a light, vivid yellow-green. Relative luminance 0.409; OKLCH L 72.9% C 0.175 H 130.3°. Best body text is #000000 at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#81BC33
RGB	rgb(129, 188, 51)
HSL	hsl(86, 57%, 47%)
HSV	hsv(86, 73%, 74%)
CMYK	cmyk(31.4%, 0%, 72.9%, 26.3%)
CIE-LAB	lab(70.09, -39.82, 59.52)
CIE-LCH	lch(70.09, 71.61, 123.79°)
OKLab	oklab(72.87% -0.1131 0.1333)
OKLCH	oklch(72.87% 0.175 130.3)
XYZ	xyz(27.6339, 40.8717, 9.5644)
Luminance	0.4087 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BC33 #6E33BC

analogous

#BCB233 #81BC33 #3DBC33

triadic

#81BC33 #3381BC #BC3381

tetradic

#81BC33 #33BCB2 #6E33BC #BC333D

square

#81BC33 #33BCB2 #6E33BC #BC333D

split-complementary

#81BC33 #333DBC #B233BC

monochromatic

#3F5C19 #608C26 #81BC33 #9ED25A #BBDF8A

Accessibility & contrast

On white

2.29

#81BC33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.17

#81BC33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BC33

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BC33	#FFFFFF	#000000	##000000
##81BC33	1.00	2.29	9.17	9.17
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.17	21.00	1.00	1.00
##000000	9.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AE19

Deuteranopia (green-blind)

#BDAA40

Tritanopia (blue-blind)

#84B4A1

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #81bc33;
/* rgb */ color: rgb(129, 188, 51);
/* oklch */ color: oklch(72.9% 0.175 130.3);

Tailwind

colors: {
  custom: {
    50: '#aad074',
    500: '#81bc33',
    950: '#000000',
  },
}

SCSS

$custom: #81bc33;
$custom-light: #aad074;
$custom-dark: #000000;

JSON

{
  "hex": "#81bc33",
  "rgb": {
    "r": 129,
    "g": 188,
    "b": 51
  },
  "hsl": {
    "h": 85.839,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.72868,
    "c": 0.17481,
    "h": 130.3
  },
  "luminance": 0.40873
}

Semantic roles & 50–950 ramp

primary

#81BC33

secondary

#A081C9

accent

#47E189

background

#FAFCF7

surface

#F4F9ED

border

#CED2C8

text

#101409

muted

#7F827B

Preview Lab

Preview with #81BC33

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

Preview Lab → · Contrast checker → · Palette generator →