#51E080#51E080

#51E080 is a light, vivid green. Relative luminance 0.566; OKLCH L 80.7% C 0.182 H 150.8°. Best body text is #000000 at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#51E080
RGB	rgb(81, 224, 128)
HSL	hsl(140, 70%, 60%)
HSV	hsv(140, 64%, 88%)
CMYK	cmyk(63.8%, 0%, 42.9%, 12.2%)
CIE-LAB	lab(79.96, -58.90, 35.96)
CIE-LCH	lch(79.96, 69.00, 148.60°)
OKLab	oklab(80.72% -0.159 0.0887)
OKLCH	oklch(80.72% 0.182 150.8)
XYZ	xyz(33.9426, 56.6156, 29.5570)
Luminance	0.5662 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E080 #E051B1

analogous

#6AE051 #51E080 #51E0C7

triadic

#51E080 #8051E0 #E08051

tetradic

#51E080 #516AE0 #E051B1 #E0C751

square

#51E080 #516AE0 #E051B1 #E0C751

split-complementary

#51E080 #C751E0 #E0516A

monochromatic

#1C9B45 #25CF5D #51E080 #85E9A6 #B9F3CC

Accessibility & contrast

On white

1.70

#51E080 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.32

#51E080 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E080

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E080	#FFFFFF	#000000	##000000
##51E080	1.00	1.70	12.32	12.32
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.32	21.00	1.00	1.00
##000000	12.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1CE79

Deuteranopia (green-blind)

#CFC186

Tritanopia (blue-blind)

#15DCC9

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51e080;
/* rgb */ color: rgb(81, 224, 128);
/* oklch */ color: oklch(80.7% 0.182 150.8);

Tailwind

colors: {
  custom: {
    50: '#90eba6',
    500: '#51e080',
    950: '#000000',
  },
}

SCSS

$custom: #51e080;
$custom-light: #90eba6;
$custom-dark: #000000;

JSON

{
  "hex": "#51e080",
  "rgb": {
    "r": 81,
    "g": 224,
    "b": 128
  },
  "hsl": {
    "h": 139.72,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.80722,
    "c": 0.18204,
    "h": 150.8
  },
  "luminance": 0.56619
}

Semantic roles & 50–950 ramp

primary

#51E080

secondary

#9F377C

accent

#3BB2ED

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E160F

muted

#7F8580

Preview Lab

Preview with #51E080

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

Preview Lab → · Contrast checker → · Palette generator →