#51E871#51E871

#51E871 is a very light, highly saturated green. Relative luminance 0.607; OKLCH L 82.5% C 0.205 H 147.3°. Best body text is #000000 at 13.13:1 contrast (WCAG AA passes).

Color values

HEX#51E871
RGBrgb(81, 232, 113)
HSLhsl(133, 77%, 61%)
HSVhsv(133, 65%, 91%)
CMYKcmyk(65.1%, 0%, 51.3%, 9%)
CIE-LABlab(82.19, -64.08, 46.06)
CIE-LCHlch(82.19, 78.92, 144.29°)
OKLaboklab(82.49% -0.1729 0.111)
OKLCHoklch(82.49% 0.205 147.3)
XYZxyz(35.2281, 60.6511, 25.4699)
Luminance0.6066 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E871 #E851C8
analogous
#7DE851 #51E871 #51E8BD
triadic
#51E871 #7151E8 #E87151
tetradic
#51E871 #517DE8 #E851C8 #E8BD51
square
#51E871 #517DE8 #E851C8 #E8BD51
split-complementary
#51E871 #BD51E8 #E8517D
monochromatic
#16A835 #1DDE46 #51E871 #87EF9D #BDF6C9

Accessibility & contrast

On white

1.60
#51E871 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.13
#51E871 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E871
13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E871#FFFFFF#000000##000000
##51E8711.001.6013.1313.13
#FFFFFF1.601.0021.0021.00
#00000013.1321.001.001.00
##00000013.1321.001.001.00

Color blindness preview

Protanopia (red-blind)
#EBD467
Deuteranopia (green-blind)
#D8C77A
Tritanopia (blue-blind)
#1CE3CD
Achromatopsia (no color)
#CCCCCC

Design tokens & code

CSS
--color: #51e871;
/* rgb */ color: rgb(81, 232, 113);
/* oklch */ color: oklch(82.5% 0.205 147.3);
Tailwind
colors: {
  custom: {
    50: '#92f09c',
    500: '#51e871',
    950: '#000000',
  },
}
SCSS
$custom: #51e871;
$custom-light: #92f09c;
$custom-dark: #000000;
JSON
{
  "hex": "#51e871",
  "rgb": {
    "r": 81,
    "g": 232,
    "b": 113
  },
  "hsl": {
    "h": 132.715,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.82493,
    "c": 0.20547,
    "h": 147.3
  },
  "luminance": 0.60655
}

Semantic roles & 50–950 ramp

primary
#51E871
secondary
#AA3391
accent
#0DAED9
background
#FCFFFC
surface
#F5FEF5
border
#CFD6CF
text
#0E170E
muted
#7F857F

Preview Lab

Preview with #51E871

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

Preview Lab → · Contrast checker → · Palette generator →

#51E871 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva