#81DD4E#81DD4E

#81DD4E is a light, vivid yellow-green. Relative luminance 0.569; OKLCH L 81.1% C 0.198 H 136.3°. Best body text is #000000 at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#81DD4E
RGB	rgb(129, 221, 78)
HSL	hsl(99, 68%, 59%)
HSV	hsv(99, 65%, 87%)
CMYK	cmyk(41.6%, 0%, 64.7%, 13.3%)
CIE-LAB	lab(80.14, -51.68, 59.60)
CIE-LCH	lch(80.14, 78.89, 130.93°)
OKLab	oklab(81.14% -0.1433 0.1371)
OKLCH	oklch(81.14% 0.198 136.3)
XYZ	xyz(36.2839, 56.9280, 16.2826)
Luminance	0.5693 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81DD4E #AA4EDD

analogous

#C9DD4E #81DD4E #4EDD62

triadic

#81DD4E #4E81DD #DD4E81

tetradic

#81DD4E #4EC9DD #AA4EDD #DD624E

square

#81DD4E #4EC9DD #AA4EDD #DD624E

split-complementary

#81DD4E #624EDD #DD4EC9

monochromatic

#47941C #60C726 #81DD4E #A6E781 #CAF1B5

Accessibility & contrast

On white

1.70

#81DD4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.39

#81DD4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81DD4E

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81DD4E	#FFFFFF	#000000	##000000
##81DD4E	1.00	1.70	12.39	12.39
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.39	21.00	1.00	1.00
##000000	12.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CC3C

Deuteranopia (green-blind)

#D8C45A

Tritanopia (blue-blind)

#7DD5C0

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #81dd4e;
/* rgb */ color: rgb(129, 221, 78);
/* oklch */ color: oklch(81.1% 0.198 136.3);

Tailwind

colors: {
  custom: {
    50: '#ace886',
    500: '#81dd4e',
    950: '#000000',
  },
}

SCSS

$custom: #81dd4e;
$custom-light: #ace886;
$custom-dark: #000000;

JSON

{
  "hex": "#81dd4e",
  "rgb": {
    "r": 129,
    "g": 221,
    "b": 78
  },
  "hsl": {
    "h": 98.601,
    "s": 67.773,
    "l": 58.627
  },
  "oklch": {
    "l": 0.81139,
    "c": 0.19831,
    "h": 136.3
  },
  "luminance": 0.5693
}

Semantic roles & 50–950 ramp

primary

#81DD4E

secondary

#763699

accent

#3DEBAD

background

#FDFEFC

surface

#F8FDF3

border

#D1D5CD

text

#11160C

muted

#81847F

Preview Lab

Preview with #81DD4E

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

Preview Lab → · Contrast checker → · Palette generator →