#51CC4F#51CC4F

#51CC4F is a light, vivid green. Relative luminance 0.455; OKLCH L 75.0% C 0.199 H 143.0°. Best body text is #000000 at 10.10:1 contrast (WCAG AA passes).

Color values

HEX#51CC4F
RGBrgb(81, 204, 79)
HSLhsl(119, 55%, 55%)
HSVhsv(119, 61%, 80%)
CMYKcmyk(60.3%, 0%, 61.3%, 20%)
CIE-LABlab(73.22, -58.35, 51.02)
CIE-LCHlch(73.22, 77.51, 138.83°)
OKLaboklab(74.97% -0.1586 0.1194)
OKLCHoklch(74.97% 0.199 143)
XYZxyz(26.3960, 45.4971, 14.7864)
Luminance0.4550 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51CC4F #CA4FCC
analogous
#8FCC4F #51CC4F #4FCC8B
triadic
#51CC4F #4F51CC #CC4F51
tetradic
#51CC4F #4F8FCC #CA4FCC #CC8B4F
square
#51CC4F #4F8FCC #CA4FCC #CC8B4F
split-complementary
#51CC4F #8B4FCC #CC4F8F
monochromatic
#257D24 #34AC32 #51CC4F #80DA7E #AFE7AE

Accessibility & contrast

On white

2.08
#51CC4F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.10
#51CC4F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CC4F
10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51CC4F#FFFFFF#000000##000000
##51CC4F1.002.0810.1010.10
#FFFFFF2.081.0021.0021.00
#00000010.1021.001.001.00
##00000010.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#D0BA41
Deuteranopia (green-blind)
#C1B059
Tritanopia (blue-blind)
#3AC6B1
Achromatopsia (no color)
#B4B4B4

Design tokens & code

CSS
--color: #51cc4f;
/* rgb */ color: rgb(81, 204, 79);
/* oklch */ color: oklch(75.0% 0.199 143.0);
Tailwind
colors: {
  custom: {
    50: '#8fdc85',
    500: '#51cc4f',
    950: '#000000',
  },
}
SCSS
$custom: #51cc4f;
$custom-light: #8fdc85;
$custom-dark: #000000;
JSON
{
  "hex": "#51cc4f",
  "rgb": {
    "r": 81,
    "g": 204,
    "b": 79
  },
  "hsl": {
    "h": 119.04,
    "s": 55.066,
    "l": 55.49
  },
  "oklch": {
    "l": 0.74966,
    "c": 0.1985,
    "h": 143
  },
  "luminance": 0.455
}

Semantic roles & 50–950 ramp

primary
#51CC4F
secondary
#D5A1D5
accent
#49DEDC
background
#F9FDF8
surface
#F2FBEF
border
#CCD4CA
text
#0E150B
muted
#7E837C

Preview Lab

Preview with #51CC4F

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

Preview Lab → · Contrast checker → · Palette generator →

#51CC4F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva