#51CC39#51CC39

#51CC39 is a light, highly saturated green. Relative luminance 0.452; OKLCH L 74.8% C 0.214 H 140.7°. Best body text is #000000 at 10.05:1 contrast (WCAG AA passes).

Color values

HEX#51CC39
RGBrgb(81, 204, 57)
HSLhsl(110, 59%, 51%)
HSVhsv(110, 72%, 80%)
CMYKcmyk(60.3%, 0%, 72.1%, 20%)
CIE-LABlab(73.04, -60.38, 59.69)
CIE-LCHlch(73.04, 84.90, 135.33°)
OKLaboklab(74.76% -0.1653 0.1352)
OKLCHoklch(74.76% 0.214 140.7)
XYZxyz(25.7235, 45.2281, 11.2444)
Luminance0.4523 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51CC39 #B439CC
analogous
#9ACC39 #51CC39 #39CC6A
triadic
#51CC39 #3951CC #CC3951
tetradic
#51CC39 #399ACC #B439CC #CC6A39
square
#51CC39 #399ACC #B439CC #CC6A39
split-complementary
#51CC39 #6A39CC #CC399A
monochromatic
#2A6E1C #3C9F29 #51CC39 #7CD96A #A7E59A

Accessibility & contrast

On white

2.09
#51CC39 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.05
#51CC39 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CC39
10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51CC39#FFFFFF#000000##000000
##51CC391.002.0910.0510.05
#FFFFFF2.091.0021.0021.00
#00000010.0521.001.001.00
##00000010.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#D1BA1F
Deuteranopia (green-blind)
#C2AF48
Tritanopia (blue-blind)
#3FC6AF
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #51cc39;
/* rgb */ color: rgb(81, 204, 57);
/* oklch */ color: oklch(74.8% 0.214 140.7);
Tailwind
colors: {
  custom: {
    50: '#90dd78',
    500: '#51cc39',
    950: '#000000',
  },
}
SCSS
$custom: #51cc39;
$custom-light: #90dd78;
$custom-dark: #000000;
JSON
{
  "hex": "#51cc39",
  "rgb": {
    "r": 81,
    "g": 204,
    "b": 57
  },
  "hsl": {
    "h": 110.204,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.74763,
    "c": 0.21351,
    "h": 140.7
  },
  "luminance": 0.4523
}

Semantic roles & 50–950 ramp

primary
#51CC39
secondary
#C690D1
accent
#46E2C9
background
#F9FDF7
surface
#F2FBEE
border
#CCD4C9
text
#0E1509
muted
#7E837B

Preview Lab

Preview with #51CC39

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

Preview Lab → · Contrast checker → · Palette generator →

#51CC39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva