#81DE39#81DE39

#81DE39 is a light, highly saturated yellow-green. Relative luminance 0.572; OKLCH L 81.2% C 0.213 H 134.8°. Best body text is #000000 at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#81DE39
RGB	rgb(129, 222, 57)
HSL	hsl(94, 71%, 55%)
HSV	hsv(94, 74%, 87%)
CMYK	cmyk(41.9%, 0%, 74.3%, 12.9%)
CIE-LAB	lab(80.29, -53.59, 67.49)
CIE-LCH	lch(80.29, 86.18, 128.45°)
OKLab	oklab(81.22% -0.1499 0.1509)
OKLCH	oklch(81.22% 0.213 134.8)
XYZ	xyz(35.9123, 57.2031, 13.0191)
Luminance	0.5720 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81DE39 #9639DE

analogous

#D4DE39 #81DE39 #39DE43

triadic

#81DE39 #3981DE #DE3981

tetradic

#81DE39 #39D4DE #9639DE #DE4339

square

#81DE39 #39D4DE #9639DE #DE4339

split-complementary

#81DE39 #4339DE #DE39D4

monochromatic

#478616 #63BB1F #81DE39 #A2E76D #C4EFA2

Accessibility & contrast

On white

1.69

#81DE39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.44

#81DE39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81DE39

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81DE39	#FFFFFF	#000000	##000000
##81DE39	1.00	1.69	12.44	12.44
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.44	21.00	1.00	1.00
##000000	12.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CC14

Deuteranopia (green-blind)

#DAC44A

Tritanopia (blue-blind)

#7FD5BF

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #81de39;
/* rgb */ color: rgb(129, 222, 57);
/* oklch */ color: oklch(81.2% 0.213 134.8);

Tailwind

colors: {
  custom: {
    50: '#ade97b',
    500: '#81de39',
    950: '#000000',
  },
}

SCSS

$custom: #81de39;
$custom-light: #ade97b;
$custom-dark: #000000;

JSON

{
  "hex": "#81de39",
  "rgb": {
    "r": 129,
    "g": 222,
    "b": 57
  },
  "hsl": {
    "h": 93.818,
    "s": 71.429,
    "l": 54.706
  },
  "oklch": {
    "l": 0.8122,
    "c": 0.21271,
    "h": 134.8
  },
  "luminance": 0.57205
}

Semantic roles & 50–950 ramp

primary

#81DE39

secondary

#642F8C

accent

#3AEE9F

background

#FDFEFB

surface

#F8FDF2

border

#D1D5CC

text

#11160A

muted

#81847D

Preview Lab

Preview with #81DE39

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

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