#51E57A#51E57A

#51E57A is a light, vivid green. Relative luminance 0.592; OKLCH L 81.9% C 0.194 H 149.1°. Best body text is #000000 at 12.84:1 contrast (WCAG AA passes).

Color values

HEX#51E57A
RGBrgb(81, 229, 122)
HSLhsl(137, 74%, 61%)
HSVhsv(137, 65%, 90%)
CMYKcmyk(64.6%, 0%, 46.7%, 10.2%)
CIE-LABlab(81.40, -61.69, 40.75)
CIE-LCHlch(81.40, 73.93, 146.55°)
OKLaboklab(81.87% -0.1664 0.0995)
OKLCHoklch(81.87% 0.194 149.1)
XYZxyz(34.9229, 59.1895, 27.9928)
Luminance0.5919 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E57A #E551BC
analogous
#72E551 #51E57A #51E5C4
triadic
#51E57A #7A51E5 #E57A51
tetradic
#51E57A #5172E5 #E551BC #E5C451
square
#51E57A #5172E5 #E551BC #E5C451
split-complementary
#51E57A #C451E5 #E55172
monochromatic
#18A33F #20D853 #51E57A #86EDA3 #BBF5CB

Accessibility & contrast

On white

1.64
#51E57A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.84
#51E57A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E57A
12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E57A#FFFFFF#000000##000000
##51E57A1.001.6412.8412.84
#FFFFFF1.641.0021.0021.00
#00000012.8421.001.001.00
##00000012.8421.001.001.00

Color blindness preview

Protanopia (red-blind)
#E7D272
Deuteranopia (green-blind)
#D4C581
Tritanopia (blue-blind)
#17E1CC
Achromatopsia (no color)
#CACACA

Design tokens & code

CSS
--color: #51e57a;
/* rgb */ color: rgb(81, 229, 122);
/* oklch */ color: oklch(81.9% 0.194 149.1);
Tailwind
colors: {
  custom: {
    50: '#91eea2',
    500: '#51e57a',
    950: '#000000',
  },
}
SCSS
$custom: #51e57a;
$custom-light: #91eea2;
$custom-dark: #000000;
JSON
{
  "hex": "#51e57a",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 122
  },
  "hsl": {
    "h": 136.622,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.81874,
    "c": 0.19387,
    "h": 149.1
  },
  "luminance": 0.59193
}

Semantic roles & 50–950 ramp

primary
#51E57A
secondary
#A63586
accent
#0F9FD6
background
#FCFFFC
surface
#F5FEF5
border
#CFD6CF
text
#0E160F
muted
#7F8580

Preview Lab

Preview with #51E57A

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

Preview Lab → · Contrast checker → · Palette generator →

#51E57A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva