#81EF59#81EF59

#81EF59 is a very light, highly saturated green. Relative luminance 0.671; OKLCH L 85.6% C 0.213 H 138.4°. Best body text is #000000 at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#81EF59
RGB	rgb(129, 239, 89)
HSL	hsl(104, 82%, 64%)
HSV	hsv(104, 63%, 94%)
CMYK	cmyk(46%, 0%, 62.8%, 6.3%)
CIE-LAB	lab(85.56, -57.78, 61.03)
CIE-LCH	lch(85.56, 84.04, 133.43°)
OKLab	oklab(85.61% -0.1592 0.1413)
OKLCH	oklch(85.61% 0.213 138.4)
XYZ	xyz(41.7215, 67.1186, 20.2060)
Luminance	0.6712 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 4.42

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81EF59 #C759EF

analogous

#CCEF59 #81EF59 #59EF7C

triadic

#81EF59 #5981EF #EF5981

tetradic

#81EF59 #59CCEF #C759EF #EF7C59

square

#81EF59 #59CCEF #C759EF #EF7C59

split-complementary

#81EF59 #7C59EF #EF59CC

monochromatic

#3FBC12 #57EA21 #81EF59 #ABF491 #D6FAC9

Accessibility & contrast

On white

1.46

#81EF59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.42

#81EF59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81EF59

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81EF59	#FFFFFF	#000000	##000000
##81EF59	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)

#F6DC47

Deuteranopia (green-blind)

#E7D265

Tritanopia (blue-blind)

#79E7D0

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #81ef59;
/* rgb */ color: rgb(129, 239, 89);
/* oklch */ color: oklch(85.6% 0.213 138.4);

Tailwind

colors: {
  custom: {
    50: '#adf58e',
    500: '#81ef59',
    950: '#000000',
  },
}

SCSS

$custom: #81ef59;
$custom-light: #adf58e;
$custom-dark: #000000;

JSON

{
  "hex": "#81ef59",
  "rgb": {
    "r": 129,
    "g": 239,
    "b": 89
  },
  "hsl": {
    "h": 104,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.85614,
    "c": 0.21285,
    "h": 138.4
  },
  "luminance": 0.67121
}

Semantic roles & 50–950 ramp

primary

#81EF59

secondary

#9632BA

accent

#07DFA5

background

#FDFFFC

surface

#F8FEF4

border

#D1D6CE

text

#11170D

muted

#81857F

Preview Lab

Preview with #81EF59

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

Preview Lab → · Contrast checker → · Palette generator →