#81C433#81C433

#81C433 is a light, vivid yellow-green. Relative luminance 0.444; OKLCH L 74.8% C 0.185 H 131.5°. Best body text is #000000 at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#81C433
RGB	rgb(129, 196, 51)
HSL	hsl(88, 59%, 48%)
HSV	hsv(88, 74%, 77%)
CMYK	cmyk(34.2%, 0%, 74%, 23.1%)
CIE-LAB	lab(72.48, -43.29, 61.88)
CIE-LCH	lch(72.48, 75.52, 124.98°)
OKLab	oklab(74.82% -0.1225 0.1383)
OKLCH	oklch(74.82% 0.185 131.5)
XYZ	xyz(29.3904, 44.3849, 10.1499)
Luminance	0.4439 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81C433 #7633C4

analogous

#C4BE33 #81C433 #39C433

triadic

#81C433 #3381C4 #C43381

tetradic

#81C433 #33C4BE #7633C4 #C43339

square

#81C433 #33C4BE #7633C4 #C43339

split-complementary

#81C433 #3339C4 #BE33C4

monochromatic

#41631A #619326 #81C433 #9FD55F #BCE28F

Accessibility & contrast

On white

2.13

#81C433 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.88

#81C433 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C433

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81C433	#FFFFFF	#000000	##000000
##81C433	1.00	2.13	9.88	9.88
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.88	21.00	1.00	1.00
##000000	9.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB515

Deuteranopia (green-blind)

#C3B041

Tritanopia (blue-blind)

#83BCA8

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #81c433;
/* rgb */ color: rgb(129, 196, 51);
/* oklch */ color: oklch(74.8% 0.185 131.5);

Tailwind

colors: {
  custom: {
    50: '#abd675',
    500: '#81c433',
    950: '#000000',
  },
}

SCSS

$custom: #81c433;
$custom-light: #abd675;
$custom-dark: #000000;

JSON

{
  "hex": "#81c433",
  "rgb": {
    "r": 129,
    "g": 196,
    "b": 51
  },
  "hsl": {
    "h": 87.724,
    "s": 58.704,
    "l": 48.431
  },
  "oklch": {
    "l": 0.74823,
    "c": 0.18471,
    "h": 131.5
  },
  "luminance": 0.44386
}

Semantic roles & 50–950 ramp

primary

#81C433

secondary

#A786CD

accent

#46E28E

background

#FAFDF7

surface

#F5FAED

border

#CFD3C8

text

#111409

muted

#80837B

Preview Lab

Preview with #81C433

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

Preview Lab → · Contrast checker → · Palette generator →