#51D943#51D943

#51D943 is a light, highly saturated green. Relative luminance 0.518; OKLCH L 78.2% C 0.222 H 141.8°. Best body text is #000000 at 11.36:1 contrast (WCAG AA passes).

Color values

HEX#51D943
RGBrgb(81, 217, 67)
HSLhsl(114, 66%, 56%)
HSVhsv(114, 69%, 85%)
CMYKcmyk(62.7%, 0%, 69.1%, 14.9%)
CIE-LABlab(77.15, -64.05, 60.23)
CIE-LCHlch(77.15, 87.92, 136.76°)
OKLaboklab(78.18% -0.1747 0.1375)
OKLCHoklch(78.18% 0.222 141.8)
XYZxyz(29.2178, 51.7774, 13.7634)
Luminance0.5178 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D943 #CB43D9
analogous
#9CD943 #51D943 #43D980
triadic
#51D943 #4351D9 #D94351
tetradic
#51D943 #439CD9 #CB43D9 #D98043
square
#51D943 #439CD9 #CB43D9 #D98043
split-complementary
#51D943 #8043D9 #D9439C
monochromatic
#25861B #33B925 #51D943 #80E376 #AFEEA9

Accessibility & contrast

On white

1.85
#51D943 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.36
#51D943 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D943
11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D943#FFFFFF#000000##000000
##51D9431.001.8511.3611.36
#FFFFFF1.851.0021.0021.00
#00000011.3621.001.001.00
##00000011.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#DEC52C
Deuteranopia (green-blind)
#CEBA51
Tritanopia (blue-blind)
#38D2BB
Achromatopsia (no color)
#BEBEBE

Design tokens & code

CSS
--color: #51d943;
/* rgb */ color: rgb(81, 217, 67);
/* oklch */ color: oklch(78.2% 0.222 141.8);
Tailwind
colors: {
  custom: {
    50: '#91e67f',
    500: '#51d943',
    950: '#000000',
  },
}
SCSS
$custom: #51d943;
$custom-light: #91e67f;
$custom-dark: #000000;
JSON
{
  "hex": "#51d943",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 67
  },
  "hsl": {
    "h": 114.4,
    "s": 66.372,
    "l": 55.686
  },
  "oklch": {
    "l": 0.78181,
    "c": 0.22232,
    "h": 141.8
  },
  "luminance": 0.5178
}

Semantic roles & 50–950 ramp

primary
#51D943
secondary
#84338D
accent
#3FE9D9
background
#FCFEFB
surface
#F5FCF2
border
#CFD5CC
text
#0E160B
muted
#7F847E

Preview Lab

Preview with #51D943

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

Preview Lab → · Contrast checker → · Palette generator →

#51D943 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva