#51E77B#51E77B

#51E77B is a very light, vivid green. Relative luminance 0.603; OKLCH L 82.4% C 0.196 H 149.2°. Best body text is #000000 at 13.07:1 contrast (WCAG AA passes).

Color values

HEX#51E77B
RGBrgb(81, 231, 123)
HSLhsl(137, 76%, 61%)
HSVhsv(137, 65%, 91%)
CMYKcmyk(64.9%, 0%, 46.8%, 9.4%)
CIE-LABlab(82.02, -62.26, 41.05)
CIE-LCHlch(82.02, 74.57, 146.60°)
OKLaboklab(82.39% -0.1679 0.1002)
OKLCHoklch(82.39% 0.196 149.2)
XYZxyz(35.5417, 60.3275, 28.5064)
Luminance0.6033 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E77B #E751BD
analogous
#72E751 #51E77B #51E7C6
triadic
#51E77B #7B51E7 #E77B51
tetradic
#51E77B #5172E7 #E751BD #E7C651
square
#51E77B #5172E7 #E751BD #E7C651
split-complementary
#51E77B #C651E7 #E75172
monochromatic
#17A73F #1EDC54 #51E77B #87EEA4 #BDF6CD

Accessibility & contrast

On white

1.61
#51E77B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.07
#51E77B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E77B
13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E77B#FFFFFF#000000##000000
##51E77B1.001.6113.0713.07
#FFFFFF1.611.0021.0021.00
#00000013.0721.001.001.00
##00000013.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#E9D472
Deuteranopia (green-blind)
#D6C783
Tritanopia (blue-blind)
#13E3CD
Achromatopsia (no color)
#CCCCCC

Design tokens & code

CSS
--color: #51e77b;
/* rgb */ color: rgb(81, 231, 123);
/* oklch */ color: oklch(82.4% 0.196 149.2);
Tailwind
colors: {
  custom: {
    50: '#92f0a3',
    500: '#51e77b',
    950: '#000000',
  },
}
SCSS
$custom: #51e77b;
$custom-light: #92f0a3;
$custom-dark: #000000;
JSON
{
  "hex": "#51e77b",
  "rgb": {
    "r": 81,
    "g": 231,
    "b": 123
  },
  "hsl": {
    "h": 136.8,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.8239,
    "c": 0.19553,
    "h": 149.2
  },
  "luminance": 0.60331
}

Semantic roles & 50–950 ramp

primary
#51E77B
secondary
#A83488
accent
#0E9FD8
background
#FCFFFC
surface
#F5FEF5
border
#CFD6CF
text
#0E170F
muted
#7F8580

Preview Lab

Preview with #51E77B

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

Preview Lab → · Contrast checker → · Palette generator →

#51E77B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva