#81DA39#81DA39

#81DA39 is a light, highly saturated yellow-green. Relative luminance 0.551; OKLCH L 80.2% C 0.208 H 134.5°. Best body text is #000000 at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#81DA39
RGB	rgb(129, 218, 57)
HSL	hsl(93, 69%, 54%)
HSV	hsv(93, 74%, 85%)
CMYK	cmyk(40.8%, 0%, 73.9%, 14.5%)
CIE-LAB	lab(79.10, -52.01, 66.33)
CIE-LCH	lch(79.10, 84.28, 128.10°)
OKLab	oklab(80.24% -0.1456 0.1485)
OKLCH	oklch(80.24% 0.208 134.5)
XYZ	xyz(34.8625, 55.1035, 12.6692)
Luminance	0.5511 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81DA39 #9239DA

analogous

#D2DA39 #81DA39 #39DA42

triadic

#81DA39 #3981DA #DA3981

tetradic

#81DA39 #39D2DA #9239DA #DA4239

square

#81DA39 #39D2DA #9239DA #DA4239

split-complementary

#81DA39 #4239DA #DA39D2

monochromatic

#478118 #63B422 #81DA39 #A2E46D #C3EDA0

Accessibility & contrast

On white

1.75

#81DA39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.02

#81DA39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81DA39

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81DA39	#FFFFFF	#000000	##000000
##81DA39	1.00	1.75	12.02	12.02
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.02	21.00	1.00	1.00
##000000	12.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C817

Deuteranopia (green-blind)

#D6C149

Tritanopia (blue-blind)

#80D2BB

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #81da39;
/* rgb */ color: rgb(129, 218, 57);
/* oklch */ color: oklch(80.2% 0.208 134.5);

Tailwind

colors: {
  custom: {
    50: '#ace67a',
    500: '#81da39',
    950: '#000000',
  },
}

SCSS

$custom: #81da39;
$custom-light: #ace67a;
$custom-dark: #000000;

JSON

{
  "hex": "#81da39",
  "rgb": {
    "r": 129,
    "g": 218,
    "b": 57
  },
  "hsl": {
    "h": 93.168,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.80243,
    "c": 0.20797,
    "h": 134.5
  },
  "luminance": 0.55105
}

Semantic roles & 50–950 ramp

primary

#81DA39

secondary

#603088

accent

#3CEB9D

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#11160A

muted

#81847D

Preview Lab

Preview with #81DA39

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

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