#51EA5B#51EA5B

#51EA5B is a very light, highly saturated green. Relative luminance 0.614; OKLCH L 82.7% C 0.226 H 144.2°. Best body text is #000000 at 13.27:1 contrast (WCAG AA passes).

Color values

HEX#51EA5B
RGBrgb(81, 234, 91)
HSLhsl(124, 78%, 62%)
HSVhsv(124, 65%, 92%)
CMYKcmyk(65.4%, 0%, 61.1%, 8.2%)
CIE-LABlab(82.56, -67.48, 56.42)
CIE-LCHlch(82.56, 87.97, 140.10°)
OKLaboklab(82.73% -0.1828 0.132)
OKLCHoklch(82.73% 0.226 144.2)
XYZxyz(34.7023, 61.3467, 19.9078)
Luminance0.6135 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51EA5B #EA51E0
analogous
#93EA51 #51EA5B #51EAA8
triadic
#51EA5B #5B51EA #EA5B51
tetradic
#51EA5B #5193EA #EA51E0 #EAA851
square
#51EA5B #5193EA #EA51E0 #EAA851
split-complementary
#51EA5B #A851EA #EA5193
monochromatic
#15AC1F #1BE228 #51EA5B #88F18E #BEF7C2

Accessibility & contrast

On white

1.58
#51EA5B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.27
#51EA5B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EA5B
13.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51EA5B#FFFFFF#000000##000000
##51EA5B1.001.5813.2713.27
#FFFFFF1.581.0021.0021.00
#00000013.2721.001.001.00
##00000013.2721.001.001.00

Color blindness preview

Protanopia (red-blind)
#EED54B
Deuteranopia (green-blind)
#DCC967
Tritanopia (blue-blind)
#28E4CC
Achromatopsia (no color)
#CDCDCD

Design tokens & code

CSS
--color: #51ea5b;
/* rgb */ color: rgb(81, 234, 91);
/* oklch */ color: oklch(82.7% 0.226 144.2);
Tailwind
colors: {
  custom: {
    50: '#93f28e',
    500: '#51ea5b',
    950: '#000000',
  },
}
SCSS
$custom: #51ea5b;
$custom-light: #93f28e;
$custom-dark: #000000;
JSON
{
  "hex": "#51ea5b",
  "rgb": {
    "r": 81,
    "g": 234,
    "b": 91
  },
  "hsl": {
    "h": 123.922,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.82726,
    "c": 0.2255,
    "h": 144.2
  },
  "luminance": 0.6135
}

Semantic roles & 50–950 ramp

primary
#51EA5B
secondary
#AD32A5
accent
#0BCDDB
background
#FCFFFC
surface
#F5FEF4
border
#CFD6CE
text
#0F170D
muted
#80857F

Preview Lab

Preview with #51EA5B

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

Preview Lab → · Contrast checker → · Palette generator →

#51EA5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva