#81DD4C#81DD4C

#81DD4C is a light, vivid yellow-green. Relative luminance 0.569; OKLCH L 81.1% C 0.200 H 136.1°. Best body text is #000000 at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#81DD4C
RGB	rgb(129, 221, 76)
HSL	hsl(98, 68%, 58%)
HSV	hsv(98, 66%, 87%)
CMYK	cmyk(41.6%, 0%, 65.6%, 13.3%)
CIE-LAB	lab(80.12, -51.85, 60.39)
CIE-LCH	lch(80.12, 79.59, 130.65°)
OKLab	oklab(81.12% -0.1439 0.1385)
OKLCH	oklch(81.12% 0.2 136.1)
XYZ	xyz(36.2133, 56.8998, 15.9107)
Luminance	0.5690 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81DD4C #A84CDD

analogous

#C9DD4C #81DD4C #4CDD5F

triadic

#81DD4C #4C81DD #DD4C81

tetradic

#81DD4C #4CC9DD #A84CDD #DD5F4C

square

#81DD4C #4CC9DD #A84CDD #DD5F4C

split-complementary

#81DD4C #5F4CDD #DD4CC9

monochromatic

#47931C #60C626 #81DD4C #A5E77F #C9F1B3

Accessibility & contrast

On white

1.70

#81DD4C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.38

#81DD4C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81DD4C

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81DD4C	#FFFFFF	#000000	##000000
##81DD4C	1.00	1.70	12.38	12.38
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.38	21.00	1.00	1.00
##000000	12.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CC39

Deuteranopia (green-blind)

#D8C458

Tritanopia (blue-blind)

#7ED5BF

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #81dd4c;
/* rgb */ color: rgb(129, 221, 76);
/* oklch */ color: oklch(81.1% 0.200 136.1);

Tailwind

colors: {
  custom: {
    50: '#ace885',
    500: '#81dd4c',
    950: '#000000',
  },
}

SCSS

$custom: #81dd4c;
$custom-light: #ace885;
$custom-dark: #000000;

JSON

{
  "hex": "#81dd4c",
  "rgb": {
    "r": 129,
    "g": 221,
    "b": 76
  },
  "hsl": {
    "h": 98.069,
    "s": 68.075,
    "l": 58.235
  },
  "oklch": {
    "l": 0.81121,
    "c": 0.19973,
    "h": 136.1
  },
  "luminance": 0.56902
}

Semantic roles & 50–950 ramp

primary

#81DD4C

secondary

#743697

accent

#3DEBAB

background

#FDFEFB

surface

#F8FDF2

border

#D1D5CC

text

#11160B

muted

#81847E

Preview Lab

Preview with #81DD4C

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

Preview Lab → · Contrast checker → · Palette generator →