#81C53D#81C53D

#81C53D is a light, vivid yellow-green. Relative luminance 0.449; OKLCH L 75.1% C 0.180 H 132.4°. Best body text is #000000 at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#81C53D
RGB	rgb(129, 197, 61)
HSL	hsl(90, 54%, 51%)
HSV	hsv(90, 69%, 77%)
CMYK	cmyk(34.5%, 0%, 69%, 22.7%)
CIE-LAB	lab(72.85, -43.06, 58.61)
CIE-LCH	lch(72.85, 72.73, 126.31°)
OKLab	oklab(75.14% -0.1211 0.1329)
OKLCH	oklch(75.14% 0.18 132.4)
XYZ	xyz(29.8614, 44.9354, 11.5140)
Luminance	0.4494 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81C53D #813DC5

analogous

#C5C53D #81C53D #3DC53D

triadic

#81C53D #3D81C5 #C53D81

tetradic

#81C53D #3DC5C5 #813DC5 #C53D3D

square

#81C53D #3DC5C5 #813DC5 #C53D3D

split-complementary

#81C53D #3D3DC5 #C53DC5

monochromatic

#44681F #62982D #81C53D #A0D36C #BEE19B

Accessibility & contrast

On white

2.10

#81C53D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.99

#81C53D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C53D

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81C53D	#FFFFFF	#000000	##000000
##81C53D	1.00	2.10	9.99	9.99
#FFFFFF	2.10	1.00	21.00	21.00
#000000	9.99	21.00	1.00	1.00
##000000	9.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB628

Deuteranopia (green-blind)

#C4B149

Tritanopia (blue-blind)

#82BDAA

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #81c53d;
/* rgb */ color: rgb(129, 197, 61);
/* oklch */ color: oklch(75.1% 0.180 132.4);

Tailwind

colors: {
  custom: {
    50: '#aad77a',
    500: '#81c53d',
    950: '#000000',
  },
}

SCSS

$custom: #81c53d;
$custom-light: #aad77a;
$custom-dark: #000000;

JSON

{
  "hex": "#81c53d",
  "rgb": {
    "r": 129,
    "g": 197,
    "b": 61
  },
  "hsl": {
    "h": 90,
    "s": 53.968,
    "l": 50.588
  },
  "oklch": {
    "l": 0.75141,
    "c": 0.17978,
    "h": 132.4
  },
  "luminance": 0.44937
}

Semantic roles & 50–950 ramp

primary

#81C53D

secondary

#AF91CD

accent

#4ADD94

background

#FAFDF7

surface

#F4FAEE

border

#CED3C9

text

#10140A

muted

#7F837C

Preview Lab

Preview with #81C53D

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

Preview Lab → · Contrast checker → · Palette generator →