#51DF81#51DF81

#51DF81 is a light, vivid green. Relative luminance 0.561; OKLCH L 80.5% C 0.180 H 151.2°. Best body text is #000000 at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#51DF81
RGB	rgb(81, 223, 129)
HSL	hsl(140, 69%, 60%)
HSV	hsv(140, 64%, 87%)
CMYK	cmyk(63.7%, 0%, 42.2%, 12.5%)
CIE-LAB	lab(79.67, -58.36, 35.08)
CIE-LCH	lch(79.67, 68.09, 148.99°)
OKLab	oklab(80.49% -0.1575 0.0867)
OKLCH	oklch(80.49% 0.18 151.2)
XYZ	xyz(33.7408, 56.1062, 29.8161)
Luminance	0.5611 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DF81 #DF51AF

analogous

#68DF51 #51DF81 #51DFC8

triadic

#51DF81 #8151DF #DF8151

tetradic

#51DF81 #5168DF #DF51AF #DFC851

square

#51DF81 #5168DF #DF51AF #DFC851

split-complementary

#51DF81 #C851DF #DF5168

monochromatic

#1C9947 #26CD5E #51DF81 #85E9A6 #B8F2CC

Accessibility & contrast

On white

1.72

#51DF81 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.22

#51DF81 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DF81

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DF81	#FFFFFF	#000000	##000000
##51DF81	1.00	1.72	12.22	12.22
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.22	21.00	1.00	1.00
##000000	12.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0CD7A

Deuteranopia (green-blind)

#CEC087

Tritanopia (blue-blind)

#15DCC8

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51df81;
/* rgb */ color: rgb(81, 223, 129);
/* oklch */ color: oklch(80.5% 0.180 151.2);

Tailwind

colors: {
  custom: {
    50: '#90eaa6',
    500: '#51df81',
    950: '#000000',
  },
}

SCSS

$custom: #51df81;
$custom-light: #90eaa6;
$custom-dark: #000000;

JSON

{
  "hex": "#51df81",
  "rgb": {
    "r": 81,
    "g": 223,
    "b": 129
  },
  "hsl": {
    "h": 140.282,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.80489,
    "c": 0.17982,
    "h": 151.2
  },
  "luminance": 0.5611
}

Semantic roles & 50–950 ramp

primary

#51DF81

secondary

#9D377B

accent

#3CB0EC

background

#FCFEFC

surface

#F5FDF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DF81

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

Preview Lab → · Contrast checker → · Palette generator →