#51E66E#51E66E

#51E66E is a light, highly saturated green. Relative luminance 0.595; OKLCH L 81.9% C 0.206 H 146.9°. Best body text is #000000 at 12.89:1 contrast (WCAG AA passes).

Color values

HEX#51E66E
RGBrgb(81, 230, 110)
HSLhsl(132, 75%, 61%)
HSVhsv(132, 65%, 90%)
CMYKcmyk(64.8%, 0%, 52.2%, 9.8%)
CIE-LABlab(81.55, -63.78, 46.69)
CIE-LCHlch(81.55, 79.05, 143.80°)
OKLaboklab(81.95% -0.1722 0.1122)
OKLCHoklch(81.95% 0.206 146.9)
XYZxyz(34.5022, 59.4652, 24.4085)
Luminance0.5947 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E66E #E651C9
analogous
#7EE651 #51E66E #51E6B8
triadic
#51E66E #6E51E6 #E66E51
tetradic
#51E66E #517EE6 #E651C9 #E6B851
square
#51E66E #517EE6 #E651C9 #E6B851
split-complementary
#51E66E #B851E6 #E6517E
monochromatic
#18A533 #1FDA44 #51E66E #87EE9B #BCF5C7

Accessibility & contrast

On white

1.63
#51E66E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.89
#51E66E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E66E
12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E66E#FFFFFF#000000##000000
##51E66E1.001.6312.8912.89
#FFFFFF1.631.0021.0021.00
#00000012.8921.001.001.00
##00000012.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#E9D263
Deuteranopia (green-blind)
#D6C677
Tritanopia (blue-blind)
#20E1CB
Achromatopsia (no color)
#CBCBCB

Design tokens & code

CSS
--color: #51e66e;
/* rgb */ color: rgb(81, 230, 110);
/* oklch */ color: oklch(81.9% 0.206 146.9);
Tailwind
colors: {
  custom: {
    50: '#92ef9a',
    500: '#51e66e',
    950: '#000000',
  },
}
SCSS
$custom: #51e66e;
$custom-light: #92ef9a;
$custom-dark: #000000;
JSON
{
  "hex": "#51e66e",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 110
  },
  "hsl": {
    "h": 131.678,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.81949,
    "c": 0.20552,
    "h": 146.9
  },
  "luminance": 0.59469
}

Semantic roles & 50–950 ramp

primary
#51E66E
secondary
#A73491
accent
#0EB0D7
background
#FCFFFC
surface
#F5FEF5
border
#CFD6CF
text
#0E170E
muted
#7F857F

Preview Lab

Preview with #51E66E

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

Preview Lab → · Contrast checker → · Palette generator →

#51E66E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva