#51E370#51E370

#51E370 is a light, highly saturated green. Relative luminance 0.579; OKLCH L 81.2% C 0.200 H 147.4°. Best body text is #000000 at 12.57:1 contrast (WCAG AA passes).

Color values

HEX#51E370
RGBrgb(81, 227, 112)
HSLhsl(133, 72%, 60%)
HSVhsv(133, 64%, 89%)
CMYKcmyk(64.3%, 0%, 50.7%, 11%)
CIE-LABlab(80.66, -62.44, 44.65)
CIE-LCHlch(80.66, 76.77, 144.43°)
OKLaboklab(81.22% -0.1685 0.1078)
OKLCHoklch(81.22% 0.2 147.4)
XYZxyz(33.7847, 57.8539, 24.7125)
Luminance0.5786 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E370 #E351C4
analogous
#7BE351 #51E370 #51E3B9
triadic
#51E370 #7051E3 #E37051
tetradic
#51E370 #517BE3 #E351C4 #E3B951
square
#51E370 #517BE3 #E351C4 #E3B951
split-complementary
#51E370 #B951E3 #E3517B
monochromatic
#1AA036 #22D548 #51E370 #86EB9B #BAF4C7

Accessibility & contrast

On white

1.67
#51E370 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.57
#51E370 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E370
12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E370#FFFFFF#000000##000000
##51E3701.001.6712.5712.57
#FFFFFF1.671.0021.0021.00
#00000012.5721.001.001.00
##00000012.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#E6D066
Deuteranopia (green-blind)
#D3C378
Tritanopia (blue-blind)
#21DEC8
Achromatopsia (no color)
#C8C8C8

Design tokens & code

CSS
--color: #51e370;
/* rgb */ color: rgb(81, 227, 112);
/* oklch */ color: oklch(81.2% 0.200 147.4);
Tailwind
colors: {
  custom: {
    50: '#91ed9b',
    500: '#51e370',
    950: '#000000',
  },
}
SCSS
$custom: #51e370;
$custom-light: #91ed9b;
$custom-dark: #000000;
JSON
{
  "hex": "#51e370",
  "rgb": {
    "r": 81,
    "g": 227,
    "b": 112
  },
  "hsl": {
    "h": 132.74,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.81223,
    "c": 0.20006,
    "h": 147.4
  },
  "luminance": 0.57857
}

Semantic roles & 50–950 ramp

primary
#51E370
secondary
#A3358C
accent
#11ABD4
background
#FCFFFC
surface
#F5FEF5
border
#CFD6CF
text
#0E160E
muted
#7F857F

Preview Lab

Preview with #51E370

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

Preview Lab → · Contrast checker → · Palette generator →

#51E370 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva