#81EF57#81EF57

#81EF57 is a very light, highly saturated green. Relative luminance 0.671; OKLCH L 85.6% C 0.214 H 138.2°. Best body text is #000000 at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#81EF57
RGB	rgb(129, 239, 87)
HSL	hsl(103, 83%, 64%)
HSV	hsv(103, 64%, 94%)
CMYK	cmyk(46%, 0%, 63.6%, 6.3%)
CIE-LAB	lab(85.55, -57.96, 61.83)
CIE-LCH	lch(85.55, 84.75, 133.15°)
OKLab	oklab(85.6% -0.1598 0.1428)
OKLCH	oklch(85.6% 0.214 138.2)
XYZ	xyz(41.6386, 67.0855, 19.7697)
Luminance	0.6709 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 4.44

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81EF57 #C557EF

analogous

#CDEF57 #81EF57 #57EF79

triadic

#81EF57 #5781EF #EF5781

tetradic

#81EF57 #57CDEF #C557EF #EF7957

square

#81EF57 #57CDEF #C557EF #EF7957

split-complementary

#81EF57 #7957EF #EF57CD

monochromatic

#40BA12 #57EA1F #81EF57 #ABF48F #D5FAC7

Accessibility & contrast

On white

1.46

#81EF57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.42

#81EF57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81EF57

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81EF57	#FFFFFF	#000000	##000000
##81EF57	1.00	1.46	14.42	14.42
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.42	21.00	1.00	1.00
##000000	14.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6DC44

Deuteranopia (green-blind)

#E7D264

Tritanopia (blue-blind)

#79E7CF

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #81ef57;
/* rgb */ color: rgb(129, 239, 87);
/* oklch */ color: oklch(85.6% 0.214 138.2);

Tailwind

colors: {
  custom: {
    50: '#adf58c',
    500: '#81ef57',
    950: '#000000',
  },
}

SCSS

$custom: #81ef57;
$custom-light: #adf58c;
$custom-dark: #000000;

JSON

{
  "hex": "#81ef57",
  "rgb": {
    "r": 129,
    "g": 239,
    "b": 87
  },
  "hsl": {
    "h": 103.421,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.85595,
    "c": 0.21429,
    "h": 138.2
  },
  "luminance": 0.67088
}

Semantic roles & 50–950 ramp

primary

#81EF57

secondary

#9331B9

accent

#06DFA3

background

#FDFFFC

surface

#F8FEF4

border

#D1D6CE

text

#11170D

muted

#81857F

Preview Lab

Preview with #81EF57

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

Preview Lab → · Contrast checker → · Palette generator →