#81CE40#81CE40

#81CE40 is a light, vivid yellow-green. Relative luminance 0.492; OKLCH L 77.4% C 0.189 H 133.7°. Best body text is #000000 at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#81CE40
RGB	rgb(129, 206, 64)
HSL	hsl(93, 59%, 53%)
HSV	hsv(93, 69%, 81%)
CMYK	cmyk(37.4%, 0%, 68.9%, 19.2%)
CIE-LAB	lab(75.56, -46.65, 60.27)
CIE-LCH	lch(75.56, 76.21, 127.74°)
OKLab	oklab(77.36% -0.1306 0.1367)
OKLCH	oklch(77.36% 0.189 133.7)
XYZ	xyz(32.0494, 49.1784, 12.6532)
Luminance	0.4918 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CE40 #8D40CE

analogous

#C8CE40 #81CE40 #40CE46

triadic

#81CE40 #4081CE #CE4081

tetradic

#81CE40 #40C8CE #8D40CE #CE4640

square

#81CE40 #40C8CE #8D40CE #CE4640

split-complementary

#81CE40 #4640CE #CE40C8

monochromatic

#46751E #63A62B #81CE40 #A1DA71 #C1E7A1

Accessibility & contrast

On white

1.94

#81CE40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.84

#81CE40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CE40

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CE40	#FFFFFF	#000000	##000000
##81CE40	1.00	1.94	10.84	10.84
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.84	21.00	1.00	1.00
##000000	10.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BE2A

Deuteranopia (green-blind)

#CBB84D

Tritanopia (blue-blind)

#81C6B2

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #81ce40;
/* rgb */ color: rgb(129, 206, 64);
/* oklch */ color: oklch(77.4% 0.189 133.7);

Tailwind

colors: {
  custom: {
    50: '#abdd7d',
    500: '#81ce40',
    950: '#000000',
  },
}

SCSS

$custom: #81ce40;
$custom-light: #abdd7d;
$custom-dark: #000000;

JSON

{
  "hex": "#81ce40",
  "rgb": {
    "r": 129,
    "g": 206,
    "b": 64
  },
  "hsl": {
    "h": 92.535,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.77362,
    "c": 0.18912,
    "h": 133.7
  },
  "luminance": 0.4918
}

Semantic roles & 50–950 ramp

primary

#81CE40

secondary

#B796D4

accent

#45E29B

background

#FAFDF7

surface

#F5FBEE

border

#CFD4C9

text

#11150A

muted

#80837C

Preview Lab

Preview with #81CE40

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

Preview Lab → · Contrast checker → · Palette generator →