#51E866#51E866

#51E866 is a very light, highly saturated green. Relative luminance 0.604; OKLCH L 82.3% C 0.215 H 145.6°. Best body text is #000000 at 13.08:1 contrast (WCAG AA passes).

Color values

HEX#51E866
RGBrgb(81, 232, 102)
HSLhsl(128, 77%, 61%)
HSVhsv(128, 65%, 91%)
CMYKcmyk(65.1%, 0%, 56%, 9%)
CIE-LABlab(82.06, -65.52, 51.00)
CIE-LCHlch(82.06, 83.04, 142.10°)
OKLaboklab(82.35% -0.1771 0.1212)
OKLCHoklch(82.35% 0.215 145.6)
XYZxyz(34.6459, 60.4183, 22.4038)
Luminance0.6042 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E866 #E851D3
analogous
#88E851 #51E866 #51E8B2
triadic
#51E866 #6651E8 #E86651
tetradic
#51E866 #5188E8 #E851D3 #E8B251
square
#51E866 #5188E8 #E851D3 #E8B251
split-complementary
#51E866 #B251E8 #E85188
monochromatic
#16A82B #1DDE38 #51E866 #87EF96 #BDF6C5

Accessibility & contrast

On white

1.60
#51E866 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.08
#51E866 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E866
13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E866#FFFFFF#000000##000000
##51E8661.001.6013.0813.08
#FFFFFF1.601.0021.0021.00
#00000013.0821.001.001.00
##00000013.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#EBD459
Deuteranopia (green-blind)
#D9C770
Tritanopia (blue-blind)
#24E2CB
Achromatopsia (no color)
#CCCCCC

Design tokens & code

CSS
--color: #51e866;
/* rgb */ color: rgb(81, 232, 102);
/* oklch */ color: oklch(82.3% 0.215 145.6);
Tailwind
colors: {
  custom: {
    50: '#93f095',
    500: '#51e866',
    950: '#000000',
  },
}
SCSS
$custom: #51e866;
$custom-light: #93f095;
$custom-dark: #000000;
JSON
{
  "hex": "#51e866",
  "rgb": {
    "r": 81,
    "g": 232,
    "b": 102
  },
  "hsl": {
    "h": 128.344,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.82348,
    "c": 0.2146,
    "h": 145.6
  },
  "luminance": 0.60422
}

Semantic roles & 50–950 ramp

primary
#51E866
secondary
#AA3399
accent
#0DBCD9
background
#FCFFFC
surface
#F5FEF5
border
#CFD6CF
text
#0E170D
muted
#7F857F

Preview Lab

Preview with #51E866

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

Preview Lab → · Contrast checker → · Palette generator →

#51E866 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva