#51E38B#51E38B

#51E38B is a light, vivid green. Relative luminance 0.586; OKLCH L 81.7% C 0.176 H 153.2°. Best body text is #000000 at 12.71:1 contrast (WCAG AA passes).

Color values

HEX#51E38B
RGBrgb(81, 227, 139)
HSLhsl(144, 72%, 60%)
HSVhsv(144, 64%, 89%)
CMYKcmyk(64.3%, 0%, 38.8%, 11%)
CIE-LABlab(81.04, -58.14, 31.83)
CIE-LCHlch(81.04, 66.28, 151.30°)
OKLaboklab(81.67% -0.1572 0.0793)
OKLCHoklch(81.67% 0.176 153.2)
XYZxyz(35.5196, 58.5479, 33.8501)
Luminance0.5855 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E38B #E351A9
analogous
#60E351 #51E38B #51E3D4
triadic
#51E38B #8B51E3 #E38B51
tetradic
#51E38B #5160E3 #E351A9 #E3D451
square
#51E38B #5160E3 #E351A9 #E3D451
split-complementary
#51E38B #D451E3 #E35160
monochromatic
#1AA04F #22D569 #51E38B #86EBAE #BAF4D1

Accessibility & contrast

On white

1.65
#51E38B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.71
#51E38B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E38B
12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E38B#FFFFFF#000000##000000
##51E38B1.001.6512.7112.71
#FFFFFF1.651.0021.0021.00
#00000012.7121.001.001.00
##00000012.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#E3D185
Deuteranopia (green-blind)
#D0C491
Tritanopia (blue-blind)
#00E0CD
Achromatopsia (no color)
#C9C9C9

Design tokens & code

CSS
--color: #51e38b;
/* rgb */ color: rgb(81, 227, 139);
/* oklch */ color: oklch(81.7% 0.176 153.2);
Tailwind
colors: {
  custom: {
    50: '#91edad',
    500: '#51e38b',
    950: '#000000',
  },
}
SCSS
$custom: #51e38b;
$custom-light: #91edad;
$custom-dark: #000000;
JSON
{
  "hex": "#51e38b",
  "rgb": {
    "r": 81,
    "g": 227,
    "b": 139
  },
  "hsl": {
    "h": 143.836,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.81666,
    "c": 0.17602,
    "h": 153.2
  },
  "luminance": 0.58552
}

Semantic roles & 50–950 ramp

primary
#51E38B
secondary
#A33577
accent
#1187D4
background
#FCFFFD
surface
#F5FEF7
border
#CFD6D0
text
#0E1610
muted
#7F8581

Preview Lab

Preview with #51E38B

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

Preview Lab → · Contrast checker → · Palette generator →

#51E38B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva