#81D433#81D433

#81D433 is a light, highly saturated yellow-green. Relative luminance 0.520; OKLCH L 78.7% C 0.204 H 133.5°. Best body text is #000000 at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#81D433
RGB	rgb(129, 212, 51)
HSL	hsl(91, 65%, 52%)
HSV	hsv(91, 76%, 83%)
CMYK	cmyk(39.2%, 0%, 75.9%, 16.9%)
CIE-LAB	lab(77.28, -49.94, 66.51)
CIE-LCH	lch(77.28, 83.17, 126.90°)
OKLab	oklab(78.74% -0.1405 0.148)
OKLCH	oklch(78.74% 0.204 133.5)
XYZ	xyz(33.1937, 51.9915, 11.4177)
Luminance	0.5199 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D433 #8633D4

analogous

#D1D433 #81D433 #33D436

triadic

#81D433 #3381D4 #D43381

tetradic

#81D433 #33D1D4 #8633D4 #D43633

square

#81D433 #33D1D4 #8633D4 #D43633

split-complementary

#81D433 #3633D4 #D433D1

monochromatic

#457418 #63A723 #81D433 #A0DF66 #BFE998

Accessibility & contrast

On white

1.84

#81D433 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.40

#81D433 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D433

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D433	#FFFFFF	#000000	##000000
##81D433	1.00	1.84	11.40	11.40
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.40	21.00	1.00	1.00
##000000	11.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC308

Deuteranopia (green-blind)

#D1BC44

Tritanopia (blue-blind)

#81CBB6

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #81d433;
/* rgb */ color: rgb(129, 212, 51);
/* oklch */ color: oklch(78.7% 0.204 133.5);

Tailwind

colors: {
  custom: {
    50: '#ace277',
    500: '#81d433',
    950: '#000000',
  },
}

SCSS

$custom: #81d433;
$custom-light: #ace277;
$custom-dark: #000000;

JSON

{
  "hex": "#81d433",
  "rgb": {
    "r": 129,
    "g": 212,
    "b": 51
  },
  "hsl": {
    "h": 90.932,
    "s": 65.182,
    "l": 51.569
  },
  "oklch": {
    "l": 0.78738,
    "c": 0.20403,
    "h": 133.5
  },
  "luminance": 0.51993
}

Semantic roles & 50–950 ramp

primary

#81D433

secondary

#572F7D

accent

#40E897

background

#FDFEFB

surface

#F8FCF1

border

#D1D5CB

text

#111509

muted

#81847D

Preview Lab

Preview with #81D433

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

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