#81C33B#81C33B

#81C33B is a light, vivid yellow-green. Relative luminance 0.440; OKLCH L 74.6% C 0.179 H 131.9°. Best body text is #000000 at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#81C33B
RGB	rgb(129, 195, 59)
HSL	hsl(89, 54%, 50%)
HSV	hsv(89, 70%, 76%)
CMYK	cmyk(33.8%, 0%, 69.7%, 23.5%)
CIE-LAB	lab(72.24, -42.35, 58.74)
CIE-LCH	lch(72.24, 72.42, 125.79°)
OKLab	oklab(74.64% -0.1193 0.1329)
OKLCH	oklch(74.64% 0.179 131.9)
XYZ	xyz(29.3574, 44.0120, 11.0852)
Luminance	0.4401 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81C33B #7D3BC3

analogous

#C3C13B #81C33B #3DC33B

triadic

#81C33B #3B81C3 #C33B81

tetradic

#81C33B #3BC3C1 #7D3BC3 #C33B3D

square

#81C33B #3BC3C1 #7D3BC3 #C33B3D

split-complementary

#81C33B #3B3DC3 #C13BC3

monochromatic

#43651F #62942D #81C33B #9FD269 #BDE098

Accessibility & contrast

On white

2.14

#81C33B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.80

#81C33B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C33B

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81C33B	#FFFFFF	#000000	##000000
##81C33B	1.00	2.14	9.80	9.80
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.80	21.00	1.00	1.00
##000000	9.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBB425

Deuteranopia (green-blind)

#C2AF47

Tritanopia (blue-blind)

#83BBA8

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #81c33b;
/* rgb */ color: rgb(129, 195, 59);
/* oklch */ color: oklch(74.6% 0.179 131.9);

Tailwind

colors: {
  custom: {
    50: '#aad579',
    500: '#81c33b',
    950: '#000000',
  },
}

SCSS

$custom: #81c33b;
$custom-light: #aad579;
$custom-dark: #000000;

JSON

{
  "hex": "#81c33b",
  "rgb": {
    "r": 129,
    "g": 195,
    "b": 59
  },
  "hsl": {
    "h": 89.118,
    "s": 53.543,
    "l": 49.804
  },
  "oklch": {
    "l": 0.74637,
    "c": 0.17858,
    "h": 131.9
  },
  "luminance": 0.44013
}

Semantic roles & 50–950 ramp

primary

#81C33B

secondary

#AC8ECC

accent

#4BDD92

background

#FAFDF7

surface

#F4FAEE

border

#CED3C9

text

#101409

muted

#7F837B

Preview Lab

Preview with #81C33B

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

Preview Lab → · Contrast checker → · Palette generator →