#81DB40#81DB40

#81DB40 is a light, highly saturated yellow-green. Relative luminance 0.557; OKLCH L 80.5% C 0.205 H 135.0°. Best body text is #000000 at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#81DB40
RGB	rgb(129, 219, 64)
HSL	hsl(95, 68%, 55%)
HSV	hsv(95, 71%, 86%)
CMYK	cmyk(41.1%, 0%, 70.8%, 14.1%)
CIE-LAB	lab(79.44, -51.95, 64.24)
CIE-LCH	lch(79.44, 82.62, 128.96°)
OKLab	oklab(80.54% -0.145 0.1451)
OKLCH	oklch(80.54% 0.205 135)
XYZ	xyz(35.3094, 55.6984, 13.7399)
Luminance	0.5570 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81DB40 #9A40DB

analogous

#CEDB40 #81DB40 #40DB4C

triadic

#81DB40 #4081DB #DB4081

tetradic

#81DB40 #40CEDB #9A40DB #DB4C40

square

#81DB40 #40CEDB #9A40DB #DB4C40

split-complementary

#81DB40 #4C40DB #DB40CE

monochromatic

#478719 #63BB23 #81DB40 #A3E573 #C5EEA7

Accessibility & contrast

On white

1.73

#81DB40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.14

#81DB40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81DB40

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81DB40	#FFFFFF	#000000	##000000
##81DB40	1.00	1.73	12.14	12.14
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.14	21.00	1.00	1.00
##000000	12.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3C926

Deuteranopia (green-blind)

#D7C24F

Tritanopia (blue-blind)

#7FD3BD

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #81db40;
/* rgb */ color: rgb(129, 219, 64);
/* oklch */ color: oklch(80.5% 0.205 135.0);

Tailwind

colors: {
  custom: {
    50: '#ace77e',
    500: '#81db40',
    950: '#000000',
  },
}

SCSS

$custom: #81db40;
$custom-light: #ace77e;
$custom-dark: #000000;

JSON

{
  "hex": "#81db40",
  "rgb": {
    "r": 129,
    "g": 219,
    "b": 64
  },
  "hsl": {
    "h": 94.839,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.80536,
    "c": 0.20512,
    "h": 135
  },
  "luminance": 0.557
}

Semantic roles & 50–950 ramp

primary

#81DB40

secondary

#67328D

accent

#3DEBA2

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#11160A

muted

#81847D

Preview Lab

Preview with #81DB40

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

Preview Lab → · Contrast checker → · Palette generator →