#51CC38#51CC38

#51CC38 is a light, highly saturated green. Relative luminance 0.452; OKLCH L 74.8% C 0.214 H 140.6°. Best body text is #000000 at 10.04:1 contrast (WCAG AA passes).

Color values

HEX#51CC38
RGBrgb(81, 204, 56)
HSLhsl(110, 59%, 51%)
HSVhsv(110, 73%, 80%)
CMYKcmyk(60.3%, 0%, 72.5%, 20%)
CIE-LABlab(73.04, -60.46, 60.04)
CIE-LCHlch(73.04, 85.20, 135.20°)
OKLaboklab(74.76% -0.1655 0.1358)
OKLCHoklch(74.76% 0.214 140.6)
XYZxyz(25.6988, 45.2182, 11.1143)
Luminance0.4522 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51CC38 #B338CC
analogous
#9BCC38 #51CC38 #38CC69
triadic
#51CC38 #3851CC #CC3851
tetradic
#51CC38 #389BCC #B338CC #CC6938
square
#51CC38 #389BCC #B338CC #CC6938
split-complementary
#51CC38 #6938CC #CC389B
monochromatic
#2A6E1C #3C9E29 #51CC38 #7CD869 #A6E599

Accessibility & contrast

On white

2.09
#51CC38 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.04
#51CC38 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CC38
10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51CC38#FFFFFF#000000##000000
##51CC381.002.0910.0410.04
#FFFFFF2.091.0021.0021.00
#00000010.0421.001.001.00
##00000010.0421.001.001.00

Color blindness preview

Protanopia (red-blind)
#D1BA1D
Deuteranopia (green-blind)
#C2AF47
Tritanopia (blue-blind)
#3FC5AF
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #51cc38;
/* rgb */ color: rgb(81, 204, 56);
/* oklch */ color: oklch(74.8% 0.214 140.6);
Tailwind
colors: {
  custom: {
    50: '#90dd78',
    500: '#51cc38',
    950: '#000000',
  },
}
SCSS
$custom: #51cc38;
$custom-light: #90dd78;
$custom-dark: #000000;
JSON
{
  "hex": "#51cc38",
  "rgb": {
    "r": 81,
    "g": 204,
    "b": 56
  },
  "hsl": {
    "h": 109.865,
    "s": 59.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.74756,
    "c": 0.2141,
    "h": 140.6
  },
  "luminance": 0.45221
}

Semantic roles & 50–950 ramp

primary
#51CC38
secondary
#C68FD1
accent
#45E2C8
background
#F9FDF7
surface
#F2FBEE
border
#CCD4C9
text
#0E1509
muted
#7E837B

Preview Lab

Preview with #51CC38

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

Preview Lab → · Contrast checker → · Palette generator →

#51CC38 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva