#51DC66#51DC66

#51DC66 is a light, vivid green. Relative luminance 0.539; OKLCH L 79.3% C 0.200 H 146.0°. Best body text is #000000 at 11.78:1 contrast (WCAG AA passes).

Color values

HEX#51DC66
RGBrgb(81, 220, 102)
HSLhsl(129, 67%, 59%)
HSVhsv(129, 63%, 86%)
CMYKcmyk(63.2%, 0%, 53.6%, 13.7%)
CIE-LABlab(78.40, -61.31, 46.63)
CIE-LCHlch(78.40, 77.02, 142.75°)
OKLaboklab(79.32% -0.1657 0.1116)
OKLCHoklch(79.32% 0.2 146)
XYZxyz(31.3827, 53.8919, 21.3161)
Luminance0.5390 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DC66 #DC51C7
analogous
#82DC51 #51DC66 #51DCAC
triadic
#51DC66 #6651DC #DC6651
tetradic
#51DC66 #5182DC #DC51C7 #DCAC51
square
#51DC66 #5182DC #DC51C7 #DCAC51
split-complementary
#51DC66 #AC51DC #DC5182
monochromatic
#1E9530 #28C840 #51DC66 #84E693 #B7F0C0

Accessibility & contrast

On white

1.78
#51DC66 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.78
#51DC66 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DC66
11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DC66#FFFFFF#000000##000000
##51DC661.001.7811.7811.78
#FFFFFF1.781.0021.0021.00
#00000011.7821.001.001.00
##00000011.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#DFC95B
Deuteranopia (green-blind)
#CEBD6F
Tritanopia (blue-blind)
#2BD7C1
Achromatopsia (no color)
#C2C2C2

Design tokens & code

CSS
--color: #51dc66;
/* rgb */ color: rgb(81, 220, 102);
/* oklch */ color: oklch(79.3% 0.200 146.0);
Tailwind
colors: {
  custom: {
    50: '#90e894',
    500: '#51dc66',
    950: '#000000',
  },
}
SCSS
$custom: #51dc66;
$custom-light: #90e894;
$custom-dark: #000000;
JSON
{
  "hex": "#51dc66",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 102
  },
  "hsl": {
    "h": 129.065,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.7932,
    "c": 0.19979,
    "h": 146
  },
  "luminance": 0.53895
}

Semantic roles & 50–950 ramp

primary
#51DC66
secondary
#99388B
accent
#3ED0E9
background
#FCFEFC
surface
#F5FDF4
border
#CFD5CE
text
#0E160D
muted
#7F847F

Preview Lab

Preview with #51DC66

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

Preview Lab → · Contrast checker → · Palette generator →

#51DC66 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva