#81DC4B#81DC4B

#81DC4B is a light, vivid yellow-green. Relative luminance 0.564; OKLCH L 80.9% C 0.199 H 135.9°. Best body text is #000000 at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#81DC4B
RGB	rgb(129, 220, 75)
HSL	hsl(98, 67%, 58%)
HSV	hsv(98, 66%, 86%)
CMYK	cmyk(41.4%, 0%, 65.9%, 13.7%)
CIE-LAB	lab(79.82, -51.53, 60.46)
CIE-LCH	lch(79.82, 79.44, 130.44°)
OKLab	oklab(80.87% -0.1431 0.1385)
OKLCH	oklch(80.87% 0.199 135.9)
XYZ	xyz(35.9155, 56.3595, 15.6413)
Luminance	0.5636 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81DC4B #A64BDC

analogous

#CADC4B #81DC4B #4BDC5D

triadic

#81DC4B #4B81DC #DC4B81

tetradic

#81DC4B #4BCADC #A64BDC #DC5D4B

square

#81DC4B #4BCADC #A64BDC #DC5D4B

split-complementary

#81DC4B #5D4BDC #DC4BCA

monochromatic

#47911C #61C426 #81DC4B #A5E67E #C9F0B1

Accessibility & contrast

On white

1.71

#81DC4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.27

#81DC4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81DC4B

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81DC4B	#FFFFFF	#000000	##000000
##81DC4B	1.00	1.71	12.27	12.27
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.27	21.00	1.00	1.00
##000000	12.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CB37

Deuteranopia (green-blind)

#D7C357

Tritanopia (blue-blind)

#7ED4BE

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #81dc4b;
/* rgb */ color: rgb(129, 220, 75);
/* oklch */ color: oklch(80.9% 0.199 135.9);

Tailwind

colors: {
  custom: {
    50: '#ace784',
    500: '#81dc4b',
    950: '#000000',
  },
}

SCSS

$custom: #81dc4b;
$custom-light: #ace784;
$custom-dark: #000000;

JSON

{
  "hex": "#81dc4b",
  "rgb": {
    "r": 129,
    "g": 220,
    "b": 75
  },
  "hsl": {
    "h": 97.655,
    "s": 67.442,
    "l": 57.843
  },
  "oklch": {
    "l": 0.80869,
    "c": 0.19918,
    "h": 135.9
  },
  "luminance": 0.56362
}

Semantic roles & 50–950 ramp

primary

#81DC4B

secondary

#723696

accent

#3DEAAA

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#11160B

muted

#81847E

Preview Lab

Preview with #81DC4B

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

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