#81CA40#81CA40

#81CA40 is a light, vivid yellow-green. Relative luminance 0.473; OKLCH L 76.4% C 0.184 H 133.2°. Best body text is #000000 at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#81CA40
RGB	rgb(129, 202, 64)
HSL	hsl(92, 57%, 52%)
HSV	hsv(92, 68%, 79%)
CMYK	cmyk(36.1%, 0%, 68.3%, 20.8%)
CIE-LAB	lab(74.37, -44.97, 59.03)
CIE-LCH	lch(74.37, 74.21, 127.30°)
OKLab	oklab(76.39% -0.1261 0.1341)
OKLCH	oklch(76.39% 0.184 133.2)
XYZ	xyz(31.0987, 47.2770, 12.3363)
Luminance	0.4728 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CA40 #8940CA

analogous

#C6CA40 #81CA40 #40CA44

triadic

#81CA40 #4081CA #CA4081

tetradic

#81CA40 #40C6CA #8940CA #CA4440

square

#81CA40 #40C6CA #8940CA #CA4440

split-complementary

#81CA40 #4440CA #CA40C6

monochromatic

#45701F #63A02C #81CA40 #A1D770 #C0E5A0

Accessibility & contrast

On white

2.01

#81CA40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.46

#81CA40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CA40

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CA40	#FFFFFF	#000000	##000000
##81CA40	1.00	2.01	10.46	10.46
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.46	21.00	1.00	1.00
##000000	10.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BB2B

Deuteranopia (green-blind)

#C8B54C

Tritanopia (blue-blind)

#81C2AE

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #81ca40;
/* rgb */ color: rgb(129, 202, 64);
/* oklch */ color: oklch(76.4% 0.184 133.2);

Tailwind

colors: {
  custom: {
    50: '#abda7c',
    500: '#81ca40',
    950: '#000000',
  },
}

SCSS

$custom: #81ca40;
$custom-light: #abda7c;
$custom-dark: #000000;

JSON

{
  "hex": "#81ca40",
  "rgb": {
    "r": 129,
    "g": 202,
    "b": 64
  },
  "hsl": {
    "h": 91.739,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.76386,
    "c": 0.18409,
    "h": 133.2
  },
  "luminance": 0.47278
}

Semantic roles & 50–950 ramp

primary

#81CA40

secondary

#B595D1

accent

#48E098

background

#FAFDF7

surface

#F5FBEE

border

#CFD4C9

text

#10150A

muted

#7F837C

Preview Lab

Preview with #81CA40

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

Preview Lab → · Contrast checker → · Palette generator →