#51DB63#51DB63

#51DB63 is a light, highly saturated green. Relative luminance 0.533; OKLCH L 79.0% C 0.201 H 145.6°. Best body text is #000000 at 11.66:1 contrast (WCAG AA passes).

Color values

HEX#51DB63
RGBrgb(81, 219, 99)
HSLhsl(128, 66%, 59%)
HSVhsv(128, 63%, 86%)
CMYKcmyk(63%, 0%, 54.8%, 14.1%)
CIE-LABlab(78.06, -61.34, 47.62)
CIE-LCHlch(78.06, 77.65, 142.18°)
OKLaboklab(79.03% -0.1659 0.1136)
OKLCHoklch(79.03% 0.201 145.6)
XYZxyz(30.9750, 53.3101, 20.4595)
Luminance0.5331 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DB63 #DB51C9
analogous
#84DB51 #51DB63 #51DBA8
triadic
#51DB63 #6351DB #DB6351
tetradic
#51DB63 #5184DB #DB51C9 #DBA851
square
#51DB63 #5184DB #DB51C9 #DBA851
split-complementary
#51DB63 #A851DB #DB5184
monochromatic
#1E932E #29C63D #51DB63 #84E590 #B6F0BE

Accessibility & contrast

On white

1.80
#51DB63 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.66
#51DB63 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DB63
11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DB63#FFFFFF#000000##000000
##51DB631.001.8011.6611.66
#FFFFFF1.801.0021.0021.00
#00000011.6621.001.001.00
##00000011.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#DEC858
Deuteranopia (green-blind)
#CDBC6C
Tritanopia (blue-blind)
#2DD6C0
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #51db63;
/* rgb */ color: rgb(81, 219, 99);
/* oklch */ color: oklch(79.0% 0.201 145.6);
Tailwind
colors: {
  custom: {
    50: '#90e792',
    500: '#51db63',
    950: '#000000',
  },
}
SCSS
$custom: #51db63;
$custom-light: #90e792;
$custom-dark: #000000;
JSON
{
  "hex": "#51db63",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 99
  },
  "hsl": {
    "h": 127.826,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.79028,
    "c": 0.20105,
    "h": 145.6
  },
  "luminance": 0.53313
}

Semantic roles & 50–950 ramp

primary
#51DB63
secondary
#98388B
accent
#3FD3E9
background
#FCFEFC
surface
#F5FDF4
border
#CFD5CE
text
#0E160D
muted
#7F847F

Preview Lab

Preview with #51DB63

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

Preview Lab → · Contrast checker → · Palette generator →

#51DB63 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva