#81CE31#81CE31

#81CE31 is a light, vivid yellow-green. Relative luminance 0.490; OKLCH L 77.3% C 0.198 H 132.7°. Best body text is #000000 at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#81CE31
RGB	rgb(129, 206, 49)
HSL	hsl(89, 62%, 50%)
HSV	hsv(89, 76%, 81%)
CMYK	cmyk(37.4%, 0%, 76.2%, 19.2%)
CIE-LAB	lab(75.47, -47.60, 65.41)
CIE-LCH	lch(75.47, 80.90, 126.04°)
OKLab	oklab(77.26% -0.1343 0.1454)
OKLCH	oklch(77.26% 0.198 132.7)
XYZ	xyz(31.6785, 49.0301, 10.6997)
Luminance	0.4903 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CE31 #7E31CE

analogous

#CECD31 #81CE31 #32CE31

triadic

#81CE31 #3181CE #CE3181

tetradic

#81CE31 #31CECD #7E31CE #CE3132

square

#81CE31 #31CECD #7E31CE #CE3132

split-complementary

#81CE31 #3132CE #CD31CE

monochromatic

#436B19 #629D25 #81CE31 #9FDA62 #BDE694

Accessibility & contrast

On white

1.94

#81CE31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.81

#81CE31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CE31

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CE31	#FFFFFF	#000000	##000000
##81CE31	1.00	1.94	10.81	10.81
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.81	21.00	1.00	1.00
##000000	10.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BE06

Deuteranopia (green-blind)

#CCB841

Tritanopia (blue-blind)

#82C6B1

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #81ce31;
/* rgb */ color: rgb(129, 206, 49);
/* oklch */ color: oklch(77.3% 0.198 132.7);

Tailwind

colors: {
  custom: {
    50: '#acdd75',
    500: '#81ce31',
    950: '#000000',
  },
}

SCSS

$custom: #81ce31;
$custom-light: #acdd75;
$custom-dark: #000000;

JSON

{
  "hex": "#81ce31",
  "rgb": {
    "r": 129,
    "g": 206,
    "b": 49
  },
  "hsl": {
    "h": 89.427,
    "s": 61.569,
    "l": 50
  },
  "oklch": {
    "l": 0.77258,
    "c": 0.1979,
    "h": 132.7
  },
  "luminance": 0.49031
}

Semantic roles & 50–950 ramp

primary

#81CE31

secondary

#AD8AD1

accent

#43E592

background

#FBFDF7

surface

#F6FBED

border

#D0D4C8

text

#111509

muted

#80837B

Preview Lab

Preview with #81CE31

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

Preview Lab → · Contrast checker → · Palette generator →