#51DA7A#51DA7A

#51DA7A is a light, vivid green. Relative luminance 0.533; OKLCH L 79.1% C 0.180 H 150.0°. Best body text is #000000 at 11.66:1 contrast (WCAG AA passes).

Color values

HEX#51DA7A
RGBrgb(81, 218, 122)
HSLhsl(138, 65%, 59%)
HSVhsv(138, 63%, 85%)
CMYKcmyk(62.8%, 0%, 44%, 14.5%)
CIE-LABlab(78.05, -57.63, 36.49)
CIE-LCHlch(78.05, 68.21, 147.66°)
OKLaboklab(79.12% -0.1556 0.0897)
OKLCHoklch(79.12% 0.18 150)
XYZxyz(31.9752, 53.2940, 27.0103)
Luminance0.5330 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DA7A #DA51B1
analogous
#6CDA51 #51DA7A #51DABE
triadic
#51DA7A #7A51DA #DA7A51
tetradic
#51DA7A #516CDA #DA51B1 #DABE51
square
#51DA7A #516CDA #DA51B1 #DABE51
split-complementary
#51DA7A #BE51DA #DA516C
monochromatic
#1F9241 #2AC458 #51DA7A #83E5A1 #B6EFC7

Accessibility & contrast

On white

1.80
#51DA7A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.66
#51DA7A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA7A
11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DA7A#FFFFFF#000000##000000
##51DA7A1.001.8011.6611.66
#FFFFFF1.801.0021.0021.00
#00000011.6621.001.001.00
##00000011.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#DBC873
Deuteranopia (green-blind)
#CABC81
Tritanopia (blue-blind)
#20D6C3
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #51da7a;
/* rgb */ color: rgb(81, 218, 122);
/* oklch */ color: oklch(79.1% 0.180 150.0);
Tailwind
colors: {
  custom: {
    50: '#90e6a1',
    500: '#51da7a',
    950: '#000000',
  },
}
SCSS
$custom: #51da7a;
$custom-light: #90e6a1;
$custom-dark: #000000;
JSON
{
  "hex": "#51da7a",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 122
  },
  "hsl": {
    "h": 137.956,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.79116,
    "c": 0.1796,
    "h": 150
  },
  "luminance": 0.53297
}

Semantic roles & 50–950 ramp

primary
#51DA7A
secondary
#97397B
accent
#40B6E8
background
#FCFEFC
surface
#F5FCF5
border
#CFD5CF
text
#0E160F
muted
#7F8480

Preview Lab

Preview with #51DA7A

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

Preview Lab → · Contrast checker → · Palette generator →

#51DA7A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva