#51CD51#51CD51

#51CD51 is a light, vivid green. Relative luminance 0.460; OKLCH L 75.2% C 0.198 H 143.3°. Best body text is #000000 at 10.20:1 contrast (WCAG AA passes).

Color values

HEX#51CD51
RGBrgb(81, 205, 81)
HSLhsl(120, 55%, 56%)
HSVhsv(120, 60%, 80%)
CMYKcmyk(60.5%, 0%, 60.5%, 19.6%)
CIE-LABlab(73.55, -58.49, 50.52)
CIE-LCHlch(73.55, 77.28, 139.18°)
OKLaboklab(75.24% -0.1589 0.1185)
OKLCHoklch(75.24% 0.198 143.3)
XYZxyz(26.7084, 46.0035, 15.2551)
Luminance0.4601 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51CD51 #CD51CD
analogous
#8FCD51 #51CD51 #51CD8F
triadic
#51CD51 #5151CD #CD5151
tetradic
#51CD51 #518FCD #CD51CD #CD8F51
square
#51CD51 #518FCD #CD51CD #CD8F51
split-complementary
#51CD51 #8F51CD #CD518F
monochromatic
#257F25 #32AF32 #51CD51 #81DB81 #B0E8B0

Accessibility & contrast

On white

2.06
#51CD51 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.20
#51CD51 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CD51
10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51CD51#FFFFFF#000000##000000
##51CD511.002.0610.2010.20
#FFFFFF2.061.0021.0021.00
#00000010.2021.001.001.00
##00000010.2021.001.001.00

Color blindness preview

Protanopia (red-blind)
#D1BB43
Deuteranopia (green-blind)
#C2B15B
Tritanopia (blue-blind)
#3AC7B2
Achromatopsia (no color)
#B5B5B5

Design tokens & code

CSS
--color: #51cd51;
/* rgb */ color: rgb(81, 205, 81);
/* oklch */ color: oklch(75.2% 0.198 143.3);
Tailwind
colors: {
  custom: {
    50: '#8fdd86',
    500: '#51cd51',
    950: '#000000',
  },
}
SCSS
$custom: #51cd51;
$custom-light: #8fdd86;
$custom-dark: #000000;
JSON
{
  "hex": "#51cd51",
  "rgb": {
    "r": 81,
    "g": 205,
    "b": 81
  },
  "hsl": {
    "h": 120,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.75244,
    "c": 0.19819,
    "h": 143.3
  },
  "luminance": 0.46006
}

Semantic roles & 50–950 ramp

primary
#51CD51
secondary
#D7A3D7
accent
#49DFDF
background
#F9FDF8
surface
#F2FBF0
border
#CCD4CB
text
#0E150B
muted
#7E837C

Preview Lab

Preview with #51CD51

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

Preview Lab → · Contrast checker → · Palette generator →

#51CD51 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva