#51E081#51E081

#51E081 is a light, vivid green. Relative luminance 0.566; OKLCH L 80.7% C 0.181 H 151.1°. Best body text is #000000 at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#51E081
RGB	rgb(81, 224, 129)
HSL	hsl(140, 70%, 60%)
HSV	hsv(140, 64%, 88%)
CMYK	cmyk(63.8%, 0%, 42.4%, 12.2%)
CIE-LAB	lab(79.98, -58.73, 35.47)
CIE-LCH	lch(79.98, 68.61, 148.87°)
OKLab	oklab(80.74% -0.1585 0.0876)
OKLCH	oklch(80.74% 0.181 151.1)
XYZ	xyz(34.0088, 56.6421, 29.9054)
Luminance	0.5665 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E081 #E051B0

analogous

#69E051 #51E081 #51E0C9

triadic

#51E081 #8151E0 #E08151

tetradic

#51E081 #5169E0 #E051B0 #E0C951

square

#51E081 #5169E0 #E051B0 #E0C951

split-complementary

#51E081 #C951E0 #E05169

monochromatic

#1C9B46 #25CF5E #51E081 #85E9A7 #B9F3CC

Accessibility & contrast

On white

1.70

#51E081 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.33

#51E081 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E081

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E081	#FFFFFF	#000000	##000000
##51E081	1.00	1.70	12.33	12.33
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.33	21.00	1.00	1.00
##000000	12.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1CE7A

Deuteranopia (green-blind)

#CFC187

Tritanopia (blue-blind)

#14DDC9

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51e081;
/* rgb */ color: rgb(81, 224, 129);
/* oklch */ color: oklch(80.7% 0.181 151.1);

Tailwind

colors: {
  custom: {
    50: '#90eba6',
    500: '#51e081',
    950: '#000000',
  },
}

SCSS

$custom: #51e081;
$custom-light: #90eba6;
$custom-dark: #000000;

JSON

{
  "hex": "#51e081",
  "rgb": {
    "r": 81,
    "g": 224,
    "b": 129
  },
  "hsl": {
    "h": 140.14,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.80739,
    "c": 0.18113,
    "h": 151.1
  },
  "luminance": 0.56646
}

Semantic roles & 50–950 ramp

primary

#51E081

secondary

#9F377C

accent

#3BB1ED

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E160F

muted

#7F8580

Preview Lab

Preview with #51E081

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

Preview Lab → · Contrast checker → · Palette generator →