#51CC3B#51CC3B

#51CC3B is a light, highly saturated green. Relative luminance 0.453; OKLCH L 74.8% C 0.212 H 140.9°. Best body text is #000000 at 10.05:1 contrast (WCAG AA passes).

Color values

HEX#51CC3B
RGBrgb(81, 204, 59)
HSLhsl(111, 59%, 52%)
HSVhsv(111, 71%, 80%)
CMYKcmyk(60.3%, 0%, 71.1%, 20%)
CIE-LABlab(73.06, -60.23, 58.97)
CIE-LCHlch(73.06, 84.29, 135.60°)
OKLaboklab(74.78% -0.1647 0.1339)
OKLCHoklch(74.78% 0.212 140.9)
XYZxyz(25.7744, 45.2484, 11.5124)
Luminance0.4525 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51CC3B #B63BCC
analogous
#99CC3B #51CC3B #3BCC6E
triadic
#51CC3B #3B51CC #CC3B51
tetradic
#51CC3B #3B99CC #B63BCC #CC6E3B
square
#51CC3B #3B99CC #B63BCC #CC6E3B
split-complementary
#51CC3B #6E3BCC #CC3B99
monochromatic
#2A701D #3CA02A #51CC3B #7CD96C #A7E59C

Accessibility & contrast

On white

2.09
#51CC3B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.05
#51CC3B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CC3B
10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51CC3B#FFFFFF#000000##000000
##51CC3B1.002.0910.0510.05
#FFFFFF2.091.0021.0021.00
#00000010.0521.001.001.00
##00000010.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#D1BA23
Deuteranopia (green-blind)
#C2AF49
Tritanopia (blue-blind)
#3FC6AF
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #51cc3b;
/* rgb */ color: rgb(81, 204, 59);
/* oklch */ color: oklch(74.8% 0.212 140.9);
Tailwind
colors: {
  custom: {
    50: '#8fdd79',
    500: '#51cc3b',
    950: '#000000',
  },
}
SCSS
$custom: #51cc3b;
$custom-light: #8fdd79;
$custom-dark: #000000;
JSON
{
  "hex": "#51cc3b",
  "rgb": {
    "r": 81,
    "g": 204,
    "b": 59
  },
  "hsl": {
    "h": 110.897,
    "s": 58.704,
    "l": 51.569
  },
  "oklch": {
    "l": 0.74779,
    "c": 0.21232,
    "h": 140.9
  },
  "luminance": 0.45251
}

Semantic roles & 50–950 ramp

primary
#51CC3B
secondary
#C892D1
accent
#46E2CA
background
#F9FDF7
surface
#F2FBEE
border
#CCD4C9
text
#0E150A
muted
#7E837C

Preview Lab

Preview with #51CC3B

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

Preview Lab → · Contrast checker → · Palette generator →

#51CC3B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva