#81D134#81D134

#81D134 is a light, vivid yellow-green. Relative luminance 0.505; OKLCH L 78.0% C 0.200 H 133.2°. Best body text is #000000 at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#81D134
RGB	rgb(129, 209, 52)
HSL	hsl(91, 63%, 51%)
HSV	hsv(91, 75%, 82%)
CMYK	cmyk(38.3%, 0%, 75.1%, 18%)
CIE-LAB	lab(76.38, -48.67, 65.33)
CIE-LCH	lch(76.38, 81.46, 126.68°)
OKLab	oklab(78.01% -0.137 0.1456)
OKLCH	oklch(78.01% 0.2 133.2)
XYZ	xyz(32.4731, 50.5145, 11.2874)
Luminance	0.5052 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D134 #8434D1

analogous

#CFD134 #81D134 #34D135

triadic

#81D134 #3481D1 #D13481

tetradic

#81D134 #34CFD1 #8434D1 #D13534

square

#81D134 #34CFD1 #8434D1 #D13534

split-complementary

#81D134 #3534D1 #D134CF

monochromatic

#44711A #63A325 #81D134 #A0DC66 #BFE898

Accessibility & contrast

On white

1.89

#81D134 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.10

#81D134 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D134

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D134	#FFFFFF	#000000	##000000
##81D134	1.00	1.89	11.10	11.10
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.10	21.00	1.00	1.00
##000000	11.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC00F

Deuteranopia (green-blind)

#CFBA44

Tritanopia (blue-blind)

#81C9B3

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #81d134;
/* rgb */ color: rgb(129, 209, 52);
/* oklch */ color: oklch(78.0% 0.200 133.2);

Tailwind

colors: {
  custom: {
    50: '#acdf77',
    500: '#81d134',
    950: '#000000',
  },
}

SCSS

$custom: #81d134;
$custom-light: #acdf77;
$custom-dark: #000000;

JSON

{
  "hex": "#81d134",
  "rgb": {
    "r": 129,
    "g": 209,
    "b": 52
  },
  "hsl": {
    "h": 90.573,
    "s": 63.052,
    "l": 51.176
  },
  "oklch": {
    "l": 0.7801,
    "c": 0.19992,
    "h": 133.2
  },
  "luminance": 0.50516
}

Semantic roles & 50–950 ramp

primary

#81D134

secondary

#552F7A

accent

#42E695

background

#FDFEFB

surface

#F8FCF1

border

#D1D5CB

text

#111509

muted

#81847D

Preview Lab

Preview with #81D134

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

Preview Lab → · Contrast checker → · Palette generator →