#51E66D#51E66D

#51E66D is a light, highly saturated green. Relative luminance 0.594; OKLCH L 81.9% C 0.206 H 146.7°. Best body text is #000000 at 12.89:1 contrast (WCAG AA passes).

Color values

HEX#51E66D
RGBrgb(81, 230, 109)
HSLhsl(131, 75%, 61%)
HSVhsv(131, 65%, 90%)
CMYKcmyk(64.8%, 0%, 52.6%, 9.8%)
CIE-LABlab(81.53, -63.92, 47.14)
CIE-LCHlch(81.53, 79.42, 143.59°)
OKLaboklab(81.94% -0.1726 0.1132)
OKLCHoklch(81.94% 0.206 146.7)
XYZxyz(34.4481, 59.4435, 24.1234)
Luminance0.5945 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E66D #E651CA
analogous
#7FE651 #51E66D #51E6B7
triadic
#51E66D #6D51E6 #E66D51
tetradic
#51E66D #517FE6 #E651CA #E6B751
square
#51E66D #517FE6 #E651CA #E6B751
split-complementary
#51E66D #B751E6 #E6517F
monochromatic
#18A532 #1FDA43 #51E66D #87EE9A #BCF5C7

Accessibility & contrast

On white

1.63
#51E66D on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.89
#51E66D on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E66D
12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E66D#FFFFFF#000000##000000
##51E66D1.001.6312.8912.89
#FFFFFF1.631.0021.0021.00
#00000012.8921.001.001.00
##00000012.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#E9D262
Deuteranopia (green-blind)
#D7C676
Tritanopia (blue-blind)
#21E1CB
Achromatopsia (no color)
#CBCBCB

Design tokens & code

CSS
--color: #51e66d;
/* rgb */ color: rgb(81, 230, 109);
/* oklch */ color: oklch(81.9% 0.206 146.7);
Tailwind
colors: {
  custom: {
    50: '#92ef99',
    500: '#51e66d',
    950: '#000000',
  },
}
SCSS
$custom: #51e66d;
$custom-light: #92ef99;
$custom-dark: #000000;
JSON
{
  "hex": "#51e66d",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 109
  },
  "hsl": {
    "h": 131.275,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.81935,
    "c": 0.20637,
    "h": 146.7
  },
  "luminance": 0.59447
}

Semantic roles & 50–950 ramp

primary
#51E66D
secondary
#A73491
accent
#0EB1D7
background
#FCFFFC
surface
#F5FEF5
border
#CFD6CF
text
#0E170E
muted
#7F857F

Preview Lab

Preview with #51E66D

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

Preview Lab → · Contrast checker → · Palette generator →

#51E66D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva