#81C533#81C533

#81C533 is a light, vivid yellow-green. Relative luminance 0.448; OKLCH L 75.1% C 0.186 H 131.7°. Best body text is #000000 at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#81C533
RGB	rgb(129, 197, 51)
HSL	hsl(88, 59%, 49%)
HSV	hsv(88, 74%, 77%)
CMYK	cmyk(34.5%, 0%, 74.1%, 22.7%)
CIE-LAB	lab(72.78, -43.72, 62.17)
CIE-LCH	lch(72.78, 76.00, 125.11°)
OKLab	oklab(75.07% -0.1236 0.1389)
OKLCH	oklch(75.07% 0.186 131.7)
XYZ	xyz(29.6168, 44.8375, 10.2254)
Luminance	0.4484 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81C533 #7733C5

analogous

#C5C033 #81C533 #38C533

triadic

#81C533 #3381C5 #C53381

tetradic

#81C533 #33C5C0 #7733C5 #C53338

square

#81C533 #33C5C0 #7733C5 #C53338

split-complementary

#81C533 #3338C5 #C033C5

monochromatic

#41641A #619426 #81C533 #9FD65F #BCE290

Accessibility & contrast

On white

2.11

#81C533 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.97

#81C533 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C533

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81C533	#FFFFFF	#000000	##000000
##81C533	1.00	2.11	9.97	9.97
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.97	21.00	1.00	1.00
##000000	9.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB614

Deuteranopia (green-blind)

#C4B141

Tritanopia (blue-blind)

#83BDA9

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #81c533;
/* rgb */ color: rgb(129, 197, 51);
/* oklch */ color: oklch(75.1% 0.186 131.7);

Tailwind

colors: {
  custom: {
    50: '#abd775',
    500: '#81c533',
    950: '#000000',
  },
}

SCSS

$custom: #81c533;
$custom-light: #abd775;
$custom-dark: #000000;

JSON

{
  "hex": "#81c533",
  "rgb": {
    "r": 129,
    "g": 197,
    "b": 51
  },
  "hsl": {
    "h": 87.945,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.75068,
    "c": 0.18593,
    "h": 131.7
  },
  "luminance": 0.44839
}

Semantic roles & 50–950 ramp

primary

#81C533

secondary

#A787CD

accent

#46E28F

background

#FAFDF7

surface

#F5FAED

border

#CFD3C8

text

#111409

muted

#80837B

Preview Lab

Preview with #81C533

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

Preview Lab → · Contrast checker → · Palette generator →