#81DD39#81DD39

#81DD39 is a light, highly saturated yellow-green. Relative luminance 0.567; OKLCH L 81.0% C 0.212 H 134.7°. Best body text is #000000 at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#81DD39
RGB	rgb(129, 221, 57)
HSL	hsl(94, 71%, 55%)
HSV	hsv(94, 74%, 87%)
CMYK	cmyk(41.6%, 0%, 74.2%, 13.3%)
CIE-LAB	lab(80.00, -53.20, 67.20)
CIE-LCH	lch(80.00, 85.71, 128.36°)
OKLab	oklab(80.98% -0.1489 0.1503)
OKLCH	oklch(80.98% 0.212 134.7)
XYZ	xyz(35.6475, 56.6735, 12.9309)
Luminance	0.5667 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81DD39 #9539DD

analogous

#D3DD39 #81DD39 #39DD43

triadic

#81DD39 #3981DD #DD3981

tetradic

#81DD39 #39D3DD #9539DD #DD4339

square

#81DD39 #39D3DD #9539DD #DD4339

split-complementary

#81DD39 #4339DD #DD39D3

monochromatic

#478517 #63B920 #81DD39 #A2E66D #C3EFA1

Accessibility & contrast

On white

1.70

#81DD39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.34

#81DD39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81DD39

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81DD39	#FFFFFF	#000000	##000000
##81DD39	1.00	1.70	12.34	12.34
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.34	21.00	1.00	1.00
##000000	12.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CB15

Deuteranopia (green-blind)

#D9C44A

Tritanopia (blue-blind)

#7FD4BE

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #81dd39;
/* rgb */ color: rgb(129, 221, 57);
/* oklch */ color: oklch(81.0% 0.212 134.7);

Tailwind

colors: {
  custom: {
    50: '#ade87b',
    500: '#81dd39',
    950: '#000000',
  },
}

SCSS

$custom: #81dd39;
$custom-light: #ade87b;
$custom-dark: #000000;

JSON

{
  "hex": "#81dd39",
  "rgb": {
    "r": 129,
    "g": 221,
    "b": 57
  },
  "hsl": {
    "h": 93.659,
    "s": 70.69,
    "l": 54.51
  },
  "oklch": {
    "l": 0.80976,
    "c": 0.21153,
    "h": 134.7
  },
  "luminance": 0.56675
}

Semantic roles & 50–950 ramp

primary

#81DD39

secondary

#632F8B

accent

#3AED9F

background

#FDFEFB

surface

#F8FDF2

border

#D1D5CC

text

#11160A

muted

#81847D

Preview Lab

Preview with #81DD39

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

Preview Lab → · Contrast checker → · Palette generator →