#51E87B#51E87B

#51E87B is a very light, vivid green. Relative luminance 0.609; OKLCH L 82.6% C 0.197 H 149.1°. Best body text is #000000 at 13.18:1 contrast (WCAG AA passes).

Color values

HEX#51E87B
RGBrgb(81, 232, 123)
HSLhsl(137, 77%, 61%)
HSVhsv(137, 65%, 91%)
CMYKcmyk(65.1%, 0%, 47%, 9%)
CIE-LABlab(82.32, -62.62, 41.43)
CIE-LCHlch(82.32, 75.09, 146.51°)
OKLaboklab(82.64% -0.1689 0.1011)
OKLCHoklch(82.64% 0.197 149.1)
XYZxyz(35.8224, 60.8889, 28.5999)
Luminance0.6089 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E87B #E851BE
analogous
#73E851 #51E87B #51E8C7
triadic
#51E87B #7B51E8 #E87B51
tetradic
#51E87B #5173E8 #E851BE #E8C751
square
#51E87B #5173E8 #E851BE #E8C751
split-complementary
#51E87B #C751E8 #E85173
monochromatic
#16A83F #1DDE53 #51E87B #87EFA4 #BDF6CD

Accessibility & contrast

On white

1.59
#51E87B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.18
#51E87B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E87B
13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E87B#FFFFFF#000000##000000
##51E87B1.001.5913.1813.18
#FFFFFF1.591.0021.0021.00
#00000013.1821.001.001.00
##00000013.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#EAD572
Deuteranopia (green-blind)
#D7C883
Tritanopia (blue-blind)
#12E4CE
Achromatopsia (no color)
#CDCDCD

Design tokens & code

CSS
--color: #51e87b;
/* rgb */ color: rgb(81, 232, 123);
/* oklch */ color: oklch(82.6% 0.197 149.1);
Tailwind
colors: {
  custom: {
    50: '#92f0a3',
    500: '#51e87b',
    950: '#000000',
  },
}
SCSS
$custom: #51e87b;
$custom-light: #92f0a3;
$custom-dark: #000000;
JSON
{
  "hex": "#51e87b",
  "rgb": {
    "r": 81,
    "g": 232,
    "b": 123
  },
  "hsl": {
    "h": 136.689,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.8264,
    "c": 0.19681,
    "h": 149.1
  },
  "luminance": 0.60893
}

Semantic roles & 50–950 ramp

primary
#51E87B
secondary
#AA3389
accent
#0DA0D9
background
#FCFFFC
surface
#F5FEF5
border
#CFD6CF
text
#0E170F
muted
#7F8580

Preview Lab

Preview with #51E87B

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

Preview Lab → · Contrast checker → · Palette generator →

#51E87B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva