#51F271#51F271

#51F271 is a very light, highly saturated green. Relative luminance 0.664; OKLCH L 85.0% C 0.218 H 146.8°. Best body text is #000000 at 14.29:1 contrast (WCAG AA passes).

Color values

HEX#51F271
RGBrgb(81, 242, 113)
HSLhsl(132, 86%, 63%)
HSVhsv(132, 67%, 95%)
CMYKcmyk(66.5%, 0%, 53.3%, 5.1%)
CIE-LABlab(85.22, -67.56, 49.75)
CIE-LCHlch(85.22, 83.90, 143.63°)
OKLaboklab(85% -0.1823 0.1192)
OKLCHoklch(85% 0.218 146.8)
XYZxyz(38.1234, 66.4418, 26.4350)
Luminance0.6645 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51F271 #F251D2
analogous
#82F251 #51F271 #51F2C1
triadic
#51F271 #7151F2 #F27151
tetradic
#51F271 #5182F2 #F251D2 #F2C151
square
#51F271 #5182F2 #F251D2 #F2C151
split-complementary
#51F271 #C151F2 #F25182
monochromatic
#0EBB30 #18EE43 #51F271 #8AF69F #C3FBCE

Accessibility & contrast

On white

1.47
#51F271 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.29
#51F271 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F271
14.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51F271#FFFFFF#000000##000000
##51F2711.001.4714.2914.29
#FFFFFF1.471.0021.0021.00
#00000014.2921.001.001.00
##00000014.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#F5DD65
Deuteranopia (green-blind)
#E2D07B
Tritanopia (blue-blind)
#11EDD5
Achromatopsia (no color)
#D5D5D5

Design tokens & code

CSS
--color: #51f271;
/* rgb */ color: rgb(81, 242, 113);
/* oklch */ color: oklch(85.0% 0.218 146.8);
Tailwind
colors: {
  custom: {
    50: '#94f89d',
    500: '#51f271',
    950: '#000000',
  },
}
SCSS
$custom: #51f271;
$custom-light: #94f89d;
$custom-dark: #000000;
JSON
{
  "hex": "#51f271",
  "rgb": {
    "r": 81,
    "g": 242,
    "b": 113
  },
  "hsl": {
    "h": 131.925,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.84996,
    "c": 0.21778,
    "h": 146.8
  },
  "luminance": 0.66446
}

Semantic roles & 50–950 ramp

primary
#51F271
secondary
#B92E9E
accent
#03B6E3
background
#FCFFFC
surface
#F5FFF5
border
#CFD7CF
text
#0F170E
muted
#80857F

Preview Lab

Preview with #51F271

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

Preview Lab → · Contrast checker → · Palette generator →

#51F271 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva