#51DA5E#51DA5E

#51DA5E is a light, highly saturated green. Relative luminance 0.527; OKLCH L 78.7% C 0.204 H 144.9°. Best body text is #000000 at 11.54:1 contrast (WCAG AA passes).

Color values

HEX#51DA5E
RGBrgb(81, 218, 94)
HSLhsl(126, 65%, 59%)
HSVhsv(126, 63%, 85%)
CMYKcmyk(62.8%, 0%, 56.9%, 14.5%)
CIE-LABlab(77.70, -61.61, 49.48)
CIE-LCHlch(77.70, 79.02, 141.23°)
OKLaboklab(78.71% -0.1668 0.1173)
OKLCHoklch(78.71% 0.204 144.9)
XYZxyz(30.4832, 52.6973, 19.1526)
Luminance0.5270 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DA5E #DA51CD
analogous
#88DA51 #51DA5E #51DAA2
triadic
#51DA5E #5E51DA #DA5E51
tetradic
#51DA5E #5188DA #DA51CD #DAA251
square
#51DA5E #5188DA #DA51CD #DAA251
split-complementary
#51DA5E #A251DA #DA5188
monochromatic
#1F922A #2AC438 #51DA5E #83E58D #B6EFBB

Accessibility & contrast

On white

1.82
#51DA5E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.54
#51DA5E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA5E
11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DA5E#FFFFFF#000000##000000
##51DA5E1.001.8211.5411.54
#FFFFFF1.821.0021.0021.00
#00000011.5421.001.001.00
##00000011.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#DEC752
Deuteranopia (green-blind)
#CDBB68
Tritanopia (blue-blind)
#30D5BF
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #51da5e;
/* rgb */ color: rgb(81, 218, 94);
/* oklch */ color: oklch(78.7% 0.204 144.9);
Tailwind
colors: {
  custom: {
    50: '#90e68f',
    500: '#51da5e',
    950: '#000000',
  },
}
SCSS
$custom: #51da5e;
$custom-light: #90e68f;
$custom-dark: #000000;
JSON
{
  "hex": "#51da5e",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 94
  },
  "hsl": {
    "h": 125.693,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.78711,
    "c": 0.20391,
    "h": 144.9
  },
  "luminance": 0.527
}

Semantic roles & 50–950 ramp

primary
#51DA5E
secondary
#97398E
accent
#40D8E8
background
#FCFEFC
surface
#F5FDF4
border
#CFD5CE
text
#0E160D
muted
#7F847F

Preview Lab

Preview with #51DA5E

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

Preview Lab → · Contrast checker → · Palette generator →

#51DA5E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva