#51F278#51F278

#51F278 is a very light, highly saturated green. Relative luminance 0.666; OKLCH L 85.1% C 0.212 H 147.9°. Best body text is #000000 at 14.32:1 contrast (WCAG AA passes).

Color values

HEX#51F278
RGBrgb(81, 242, 120)
HSLhsl(135, 86%, 63%)
HSVhsv(135, 67%, 95%)
CMYKcmyk(66.5%, 0%, 50.4%, 5.1%)
CIE-LABlab(85.30, -66.60, 46.59)
CIE-LCHlch(85.30, 81.28, 145.03°)
OKLaboklab(85.09% -0.1795 0.1126)
OKLCHoklch(85.09% 0.212 147.9)
XYZxyz(38.5328, 66.6055, 28.5911)
Luminance0.6661 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51F278 #F251CB
analogous
#7AF251 #51F278 #51F2C8
triadic
#51F278 #7851F2 #F27851
tetradic
#51F278 #517AF2 #F251CB #F2C851
square
#51F278 #517AF2 #F251CB #F2C851
split-complementary
#51F278 #C851F2 #F2517A
monochromatic
#0EBB38 #18EE4C #51F278 #8AF6A4 #C3FBD0

Accessibility & contrast

On white

1.47
#51F278 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.32
#51F278 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F278
14.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51F278#FFFFFF#000000##000000
##51F2781.001.4714.3214.32
#FFFFFF1.471.0021.0021.00
#00000014.3221.001.001.00
##00000014.3221.001.001.00

Color blindness preview

Protanopia (red-blind)
#F4DD6E
Deuteranopia (green-blind)
#E1D081
Tritanopia (blue-blind)
#05EDD6
Achromatopsia (no color)
#D5D5D5

Design tokens & code

CSS
--color: #51f278;
/* rgb */ color: rgb(81, 242, 120);
/* oklch */ color: oklch(85.1% 0.212 147.9);
Tailwind
colors: {
  custom: {
    50: '#94f8a1',
    500: '#51f278',
    950: '#000000',
  },
}
SCSS
$custom: #51f278;
$custom-light: #94f8a1;
$custom-dark: #000000;
JSON
{
  "hex": "#51f278",
  "rgb": {
    "r": 81,
    "g": 242,
    "b": 120
  },
  "hsl": {
    "h": 134.534,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.85091,
    "c": 0.21192,
    "h": 147.9
  },
  "luminance": 0.6661
}

Semantic roles & 50–950 ramp

primary
#51F278
secondary
#B92E98
accent
#03ACE3
background
#FCFFFC
surface
#F5FFF5
border
#CFD7CF
text
#0F170F
muted
#808580

Preview Lab

Preview with #51F278

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

Preview Lab → · Contrast checker → · Palette generator →

#51F278 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva