#81DE4E#81DE4E

#81DE4E is a light, vivid yellow-green. Relative luminance 0.575; OKLCH L 81.4% C 0.200 H 136.4°. Best body text is #000000 at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#81DE4E
RGB	rgb(129, 222, 78)
HSL	hsl(99, 69%, 59%)
HSV	hsv(99, 65%, 87%)
CMYK	cmyk(41.9%, 0%, 64.9%, 12.9%)
CIE-LAB	lab(80.44, -52.08, 59.92)
CIE-LCH	lch(80.44, 79.39, 131.00°)
OKLab	oklab(81.38% -0.1444 0.1378)
OKLCH	oklch(81.38% 0.2 136.4)
XYZ	xyz(36.5487, 57.4577, 16.3709)
Luminance	0.5746 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81DE4E #AB4EDE

analogous

#C9DE4E #81DE4E #4EDE63

triadic

#81DE4E #4E81DE #DE4E81

tetradic

#81DE4E #4EC9DE #AB4EDE #DE634E

square

#81DE4E #4EC9DE #AB4EDE #DE634E

split-complementary

#81DE4E #634EDE #DE4EC9

monochromatic

#47961C #60C926 #81DE4E #A6E882 #CAF1B5

Accessibility & contrast

On white

1.68

#81DE4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.49

#81DE4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81DE4E

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81DE4E	#FFFFFF	#000000	##000000
##81DE4E	1.00	1.68	12.49	12.49
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.49	21.00	1.00	1.00
##000000	12.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CC3B

Deuteranopia (green-blind)

#D9C55A

Tritanopia (blue-blind)

#7DD6C0

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #81de4e;
/* rgb */ color: rgb(129, 222, 78);
/* oklch */ color: oklch(81.4% 0.200 136.4);

Tailwind

colors: {
  custom: {
    50: '#ace986',
    500: '#81de4e',
    950: '#000000',
  },
}

SCSS

$custom: #81de4e;
$custom-light: #ace986;
$custom-dark: #000000;

JSON

{
  "hex": "#81de4e",
  "rgb": {
    "r": 129,
    "g": 222,
    "b": 78
  },
  "hsl": {
    "h": 98.75,
    "s": 68.571,
    "l": 58.824
  },
  "oklch": {
    "l": 0.81383,
    "c": 0.19957,
    "h": 136.4
  },
  "luminance": 0.5746
}

Semantic roles & 50–950 ramp

primary

#81DE4E

secondary

#77369A

accent

#3CEBAD

background

#FDFEFC

surface

#F8FDF3

border

#D1D5CD

text

#11160C

muted

#81847F

Preview Lab

Preview with #81DE4E

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

Preview Lab → · Contrast checker → · Palette generator →