#81CF40#81CF40

#81CF40 is a light, vivid yellow-green. Relative luminance 0.497; OKLCH L 77.6% C 0.190 H 133.8°. Best body text is #000000 at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#81CF40
RGB	rgb(129, 207, 64)
HSL	hsl(93, 60%, 53%)
HSV	hsv(93, 69%, 81%)
CMYK	cmyk(37.7%, 0%, 69.1%, 18.8%)
CIE-LAB	lab(75.86, -47.07, 60.58)
CIE-LCH	lch(75.86, 76.71, 127.85°)
OKLab	oklab(77.61% -0.1318 0.1374)
OKLCH	oklch(77.61% 0.19 133.8)
XYZ	xyz(32.2909, 49.6614, 12.7337)
Luminance	0.4966 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CF40 #8E40CF

analogous

#C9CF40 #81CF40 #40CF46

triadic

#81CF40 #4081CF #CF4081

tetradic

#81CF40 #40C9CF #8E40CF #CF4640

square

#81CF40 #40C9CF #8E40CF #CF4640

split-complementary

#81CF40 #4640CF #CF40C9

monochromatic

#46771E #63A82A #81CF40 #A1DB71 #C2E8A2

Accessibility & contrast

On white

1.92

#81CF40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.93

#81CF40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CF40

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CF40	#FFFFFF	#000000	##000000
##81CF40	1.00	1.92	10.93	10.93
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.93	21.00	1.00	1.00
##000000	10.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF2A

Deuteranopia (green-blind)

#CCB94D

Tritanopia (blue-blind)

#81C7B3

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #81cf40;
/* rgb */ color: rgb(129, 207, 64);
/* oklch */ color: oklch(77.6% 0.190 133.8);

Tailwind

colors: {
  custom: {
    50: '#abde7d',
    500: '#81cf40',
    950: '#000000',
  },
}

SCSS

$custom: #81cf40;
$custom-light: #abde7d;
$custom-dark: #000000;

JSON

{
  "hex": "#81cf40",
  "rgb": {
    "r": 129,
    "g": 207,
    "b": 64
  },
  "hsl": {
    "h": 92.727,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.77607,
    "c": 0.19037,
    "h": 133.8
  },
  "luminance": 0.49663
}

Semantic roles & 50–950 ramp

primary

#81CF40

secondary

#B897D4

accent

#45E39B

background

#FAFDF7

surface

#F5FBEE

border

#CFD4C9

text

#11150A

muted

#80837C

Preview Lab

Preview with #81CF40

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

Preview Lab → · Contrast checker → · Palette generator →