#51D13B#51D13B

#51D13B is a light, highly saturated green. Relative luminance 0.477; OKLCH L 76.1% C 0.218 H 141.0°. Best body text is #000000 at 10.53:1 contrast (WCAG AA passes).

Color values

HEX#51D13B
RGBrgb(81, 209, 59)
HSLhsl(111, 62%, 53%)
HSVhsv(111, 72%, 82%)
CMYKcmyk(61.2%, 0%, 71.8%, 18%)
CIE-LABlab(74.61, -61.96, 60.57)
CIE-LCHlch(74.61, 86.64, 135.65°)
OKLaboklab(76.07% -0.1694 0.1373)
OKLCHoklch(76.07% 0.218 141)
XYZxyz(26.9819, 47.6635, 11.9149)
Luminance0.4767 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D13B #BB3BD1
analogous
#9CD13B #51D13B #3BD170
triadic
#51D13B #3B51D1 #D13B51
tetradic
#51D13B #3B9CD1 #BB3BD1 #D1703B
square
#51D13B #3B9CD1 #BB3BD1 #D1703B
split-complementary
#51D13B #703BD1 #D13B9C
monochromatic
#29761C #3AA727 #51D13B #7DDD6D #A9E89E

Accessibility & contrast

On white

1.99
#51D13B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.53
#51D13B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D13B
10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D13B#FFFFFF#000000##000000
##51D13B1.001.9910.5310.53
#FFFFFF1.991.0021.0021.00
#00000010.5321.001.001.00
##00000010.5321.001.001.00

Color blindness preview

Protanopia (red-blind)
#D6BE21
Deuteranopia (green-blind)
#C7B44A
Tritanopia (blue-blind)
#3DCAB4
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #51d13b;
/* rgb */ color: rgb(81, 209, 59);
/* oklch */ color: oklch(76.1% 0.218 141.0);
Tailwind
colors: {
  custom: {
    50: '#90e07a',
    500: '#51d13b',
    950: '#000000',
  },
}
SCSS
$custom: #51d13b;
$custom-light: #90e07a;
$custom-dark: #000000;
JSON
{
  "hex": "#51d13b",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 59
  },
  "hsl": {
    "h": 111.2,
    "s": 61.983,
    "l": 52.549
  },
  "oklch": {
    "l": 0.76066,
    "c": 0.21806,
    "h": 141
  },
  "luminance": 0.47666
}

Semantic roles & 50–950 ramp

primary
#51D13B
secondary
#CB93D4
accent
#43E5CD
background
#F9FDF7
surface
#F2FBEE
border
#CCD4C9
text
#0E150A
muted
#7E837C

Preview Lab

Preview with #51D13B

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

Preview Lab → · Contrast checker → · Palette generator →

#51D13B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva