#81BC39#81BC39

#81BC39 is a light, vivid yellow-green. Relative luminance 0.409; OKLCH L 72.9% C 0.171 H 130.7°. Best body text is #000000 at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#81BC39
RGB	rgb(129, 188, 57)
HSL	hsl(87, 53%, 48%)
HSV	hsv(87, 70%, 74%)
CMYK	cmyk(31.4%, 0%, 69.7%, 26.3%)
CIE-LAB	lab(70.13, -39.43, 57.34)
CIE-LCH	lch(70.13, 69.59, 124.51°)
OKLab	oklab(72.91% -0.1115 0.1296)
OKLCH	oklch(72.91% 0.171 130.7)
XYZ	xyz(27.7748, 40.9281, 10.3066)
Luminance	0.4093 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BC39 #7439BC

analogous

#BCB539 #81BC39 #3FBC39

triadic

#81BC39 #3981BC #BC3981

tetradic

#81BC39 #39BCB5 #7439BC #BC393F

square

#81BC39 #39BCB5 #7439BC #BC393F

split-complementary

#81BC39 #393FBC #B539BC

monochromatic

#415E1D #618D2B #81BC39 #9FD063 #BBDE92

Accessibility & contrast

On white

2.29

#81BC39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.19

#81BC39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BC39

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BC39	#FFFFFF	#000000	##000000
##81BC39	1.00	2.29	9.19	9.19
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.19	21.00	1.00	1.00
##000000	9.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AE24

Deuteranopia (green-blind)

#BCAA44

Tritanopia (blue-blind)

#84B4A2

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #81bc39;
/* rgb */ color: rgb(129, 188, 57);
/* oklch */ color: oklch(72.9% 0.171 130.7);

Tailwind

colors: {
  custom: {
    50: '#aad077',
    500: '#81bc39',
    950: '#000000',
  },
}

SCSS

$custom: #81bc39;
$custom-light: #aad077;
$custom-dark: #000000;

JSON

{
  "hex": "#81bc39",
  "rgb": {
    "r": 129,
    "g": 188,
    "b": 57
  },
  "hsl": {
    "h": 87.023,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.72913,
    "c": 0.17102,
    "h": 130.7
  },
  "luminance": 0.40929
}

Semantic roles & 50–950 ramp

primary

#81BC39

secondary

#A588C9

accent

#4BDD8D

background

#FAFCF7

surface

#F4F9EE

border

#CED2C9

text

#101409

muted

#7F827B

Preview Lab

Preview with #81BC39

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

Preview Lab → · Contrast checker → · Palette generator →