#81DD38#81DD38

#81DD38 is a light, highly saturated yellow-green. Relative luminance 0.567; OKLCH L 81.0% C 0.212 H 134.7°. Best body text is #000000 at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#81DD38
RGB	rgb(129, 221, 56)
HSL	hsl(93, 71%, 54%)
HSV	hsv(93, 75%, 87%)
CMYK	cmyk(41.6%, 0%, 74.7%, 13.3%)
CIE-LAB	lab(79.99, -53.25, 67.52)
CIE-LCH	lch(79.99, 86.00, 128.26°)
OKLab	oklab(80.97% -0.1491 0.1508)
OKLCH	oklch(80.97% 0.212 134.7)
XYZ	xyz(35.6228, 56.6636, 12.8008)
Luminance	0.5667 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81DD38 #9438DD

analogous

#D3DD38 #81DD38 #38DD42

triadic

#81DD38 #3881DD #DD3881

tetradic

#81DD38 #38D3DD #9438DD #DD4238

square

#81DD38 #38D3DD #9438DD #DD4238

split-complementary

#81DD38 #4238DD #DD38D3

monochromatic

#478417 #63B81F #81DD38 #A2E66C #C3EFA1

Accessibility & contrast

On white

1.70

#81DD38 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.33

#81DD38 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81DD38

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81DD38	#FFFFFF	#000000	##000000
##81DD38	1.00	1.70	12.33	12.33
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.33	21.00	1.00	1.00
##000000	12.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CB12

Deuteranopia (green-blind)

#D9C449

Tritanopia (blue-blind)

#7FD4BE

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #81dd38;
/* rgb */ color: rgb(129, 221, 56);
/* oklch */ color: oklch(81.0% 0.212 134.7);

Tailwind

colors: {
  custom: {
    50: '#ade87a',
    500: '#81dd38',
    950: '#000000',
  },
}

SCSS

$custom: #81dd38;
$custom-light: #ade87a;
$custom-dark: #000000;

JSON

{
  "hex": "#81dd38",
  "rgb": {
    "r": 129,
    "g": 221,
    "b": 56
  },
  "hsl": {
    "h": 93.455,
    "s": 70.815,
    "l": 54.314
  },
  "oklch": {
    "l": 0.8097,
    "c": 0.21206,
    "h": 134.7
  },
  "luminance": 0.56666
}

Semantic roles & 50–950 ramp

primary

#81DD38

secondary

#622F8B

accent

#3AEE9E

background

#FDFEFB

surface

#F8FDF2

border

#D1D5CC

text

#11160A

muted

#81847D

Preview Lab

Preview with #81DD38

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

Preview Lab → · Contrast checker → · Palette generator →