#51DC4B#51DC4B

#51DC4B is a light, highly saturated green. Relative luminance 0.534; OKLCH L 79.0% C 0.221 H 142.6°. Best body text is #000000 at 11.69:1 contrast (WCAG AA passes).

Color values

HEX#51DC4B
RGBrgb(81, 220, 75)
HSLhsl(118, 67%, 58%)
HSVhsv(118, 66%, 86%)
CMYKcmyk(63.2%, 0%, 65.9%, 13.7%)
CIE-LABlab(78.13, -64.36, 58.15)
CIE-LCHlch(78.13, 86.74, 137.90°)
OKLaboklab(79.02% -0.1751 0.1341)
OKLCHoklch(79.02% 0.221 142.6)
XYZxyz(30.2549, 53.4407, 15.3759)
Luminance0.5344 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DC4B #D64BDC
analogous
#9ADC4B #51DC4B #4BDC8D
triadic
#51DC4B #4B51DC #DC4B51
tetradic
#51DC4B #4B9ADC #D64BDC #DC8D4B
square
#51DC4B #4B9ADC #D64BDC #DC8D4B
split-complementary
#51DC4B #8D4BDC #DC4B9A
monochromatic
#21911C #2DC426 #51DC4B #83E67E #B4F0B1

Accessibility & contrast

On white

1.80
#51DC4B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.69
#51DC4B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DC4B
11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DC4B#FFFFFF#000000##000000
##51DC4B1.001.8011.6911.69
#FFFFFF1.801.0021.0021.00
#00000011.6921.001.001.00
##00000011.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#E1C838
Deuteranopia (green-blind)
#D0BD58
Tritanopia (blue-blind)
#35D6BE
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #51dc4b;
/* rgb */ color: rgb(81, 220, 75);
/* oklch */ color: oklch(79.0% 0.221 142.6);
Tailwind
colors: {
  custom: {
    50: '#92e884',
    500: '#51dc4b',
    950: '#000000',
  },
}
SCSS
$custom: #51dc4b;
$custom-light: #92e884;
$custom-dark: #000000;
JSON
{
  "hex": "#51dc4b",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 75
  },
  "hsl": {
    "h": 117.517,
    "s": 67.442,
    "l": 57.843
  },
  "oklch": {
    "l": 0.79017,
    "c": 0.22054,
    "h": 142.6
  },
  "luminance": 0.53444
}

Semantic roles & 50–950 ramp

primary
#51DC4B
secondary
#923696
accent
#3DEAE3
background
#FCFEFB
surface
#F5FDF2
border
#CFD5CC
text
#0E160B
muted
#7F847E

Preview Lab

Preview with #51DC4B

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

Preview Lab → · Contrast checker → · Palette generator →

#51DC4B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva