#51D78F#51D78F

#51D78F is a light, vivid green. Relative luminance 0.523; OKLCH L 78.8% C 0.157 H 156.3°. Best body text is #000000 at 11.47:1 contrast (WCAG AA passes).

Color values

HEX#51D78F
RGBrgb(81, 215, 143)
HSLhsl(148, 63%, 58%)
HSVhsv(148, 62%, 84%)
CMYKcmyk(62.3%, 0%, 33.5%, 15.7%)
CIE-LABlab(77.48, -52.75, 25.00)
CIE-LCHlch(77.48, 58.38, 154.64°)
OKLaboklab(78.76% -0.1433 0.063)
OKLCHoklch(78.76% 0.157 156.3)
XYZxyz(32.6488, 52.3300, 34.3614)
Luminance0.5233 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D78F #D75199
analogous
#56D751 #51D78F #51D7D2
triadic
#51D78F #8F51D7 #D78F51
tetradic
#51D78F #5156D7 #D75199 #D7D251
square
#51D78F #5156D7 #D75199 #D7D251
split-complementary
#51D78F #D251D7 #D75156
monochromatic
#208D53 #2CBF70 #51D78F #83E2AF #B5EECF

Accessibility & contrast

On white

1.83
#51D78F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.47
#51D78F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D78F
11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D78F#FFFFFF#000000##000000
##51D78F1.001.8311.4711.47
#FFFFFF1.831.0021.0021.00
#00000011.4721.001.001.00
##00000011.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#D6C78A
Deuteranopia (green-blind)
#C4BA94
Tritanopia (blue-blind)
#07D5C4
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #51d78f;
/* rgb */ color: rgb(81, 215, 143);
/* oklch */ color: oklch(78.8% 0.157 156.3);
Tailwind
colors: {
  custom: {
    50: '#8fe4b0',
    500: '#51d78f',
    950: '#000000',
  },
}
SCSS
$custom: #51d78f;
$custom-light: #8fe4b0;
$custom-dark: #000000;
JSON
{
  "hex": "#51d78f",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 143
  },
  "hsl": {
    "h": 147.761,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.7876,
    "c": 0.15651,
    "h": 156.3
  },
  "luminance": 0.52333
}

Semantic roles & 50–950 ramp

primary
#51D78F
secondary
#933969
accent
#429AE6
background
#FCFEFD
surface
#F5FCF7
border
#CFD5D0
text
#0E1610
muted
#7F8481

Preview Lab

Preview with #51D78F

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

Preview Lab → · Contrast checker → · Palette generator →

#51D78F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva