#81D557#81D557

#81D557 is a light, vivid green. Relative luminance 0.529; OKLCH L 79.3% C 0.181 H 136.6°. Best body text is #000000 at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#81D557
RGB	rgb(129, 213, 87)
HSL	hsl(100, 60%, 59%)
HSV	hsv(100, 59%, 84%)
CMYK	cmyk(39.4%, 0%, 59.2%, 16.5%)
CIE-LAB	lab(77.84, -47.59, 53.24)
CIE-LCH	lch(77.84, 71.41, 131.79°)
OKLab	oklab(79.29% -0.1315 0.1245)
OKLCH	oklch(79.29% 0.181 136.6)
XYZ	xyz(34.5669, 52.9419, 17.4124)
Luminance	0.5294 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D557 #AB57D5

analogous

#C0D557 #81D557 #57D56C

triadic

#81D557 #5781D5 #D55781

tetradic

#81D557 #57C0D5 #AB57D5 #D56C57

square

#81D557 #57C0D5 #AB57D5 #D56C57

split-complementary

#81D557 #6C57D5 #D557C0

monochromatic

#478E24 #60BF30 #81D557 #A6E188 #CAEDB9

Accessibility & contrast

On white

1.81

#81D557 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.59

#81D557 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D557

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D557	#FFFFFF	#000000	##000000
##81D557	1.00	1.81	11.59	11.59
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.59	21.00	1.00	1.00
##000000	11.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC549

Deuteranopia (green-blind)

#D0BE61

Tritanopia (blue-blind)

#7ECEBA

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #81d557;
/* rgb */ color: rgb(129, 213, 87);
/* oklch */ color: oklch(79.3% 0.181 136.6);

Tailwind

colors: {
  custom: {
    50: '#abe28b',
    500: '#81d557',
    950: '#000000',
  },
}

SCSS

$custom: #81d557;
$custom-light: #abe28b;
$custom-dark: #000000;

JSON

{
  "hex": "#81d557",
  "rgb": {
    "r": 129,
    "g": 213,
    "b": 87
  },
  "hsl": {
    "h": 100,
    "s": 60,
    "l": 58.824
  },
  "oklch": {
    "l": 0.79286,
    "c": 0.18112,
    "h": 136.6
  },
  "luminance": 0.52944
}

Semantic roles & 50–950 ramp

primary

#81D557

secondary

#773C94

accent

#45E3AE

background

#FDFEFC

surface

#F7FCF4

border

#D0D5CE

text

#10150C

muted

#81847F

Preview Lab

Preview with #81D557

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

Preview Lab → · Contrast checker → · Palette generator →