#51F268#51F268

#51F268 is a very light, highly saturated green. Relative luminance 0.663; OKLCH L 84.9% C 0.225 H 145.6°. Best body text is #000000 at 14.25:1 contrast (WCAG AA passes).

Color values

HEX#51F268
RGBrgb(81, 242, 104)
HSLhsl(129, 86%, 63%)
HSVhsv(129, 67%, 95%)
CMYKcmyk(66.5%, 0%, 57%, 5.1%)
CIE-LABlab(85.12, -68.70, 53.71)
CIE-LCHlch(85.12, 87.20, 141.98°)
OKLaboklab(84.88% -0.1856 0.1273)
OKLCHoklch(84.88% 0.225 145.6)
XYZxyz(37.6416, 66.2491, 23.8976)
Luminance0.6625 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51F268 #F251DB
analogous
#8BF251 #51F268 #51F2B8
triadic
#51F268 #6851F2 #F26851
tetradic
#51F268 #518BF2 #F251DB #F2B851
square
#51F268 #518BF2 #F251DB #F2B851
split-complementary
#51F268 #B851F2 #F2518B
monochromatic
#0EBB27 #18EE37 #51F268 #8AF699 #C3FBCB

Accessibility & contrast

On white

1.47
#51F268 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.25
#51F268 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F268
14.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51F268#FFFFFF#000000##000000
##51F2681.001.4714.2514.25
#FFFFFF1.471.0021.0021.00
#00000014.2521.001.001.00
##00000014.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#F6DD5A
Deuteranopia (green-blind)
#E2CF73
Tritanopia (blue-blind)
#1AECD4
Achromatopsia (no color)
#D5D5D5

Design tokens & code

CSS
--color: #51f268;
/* rgb */ color: rgb(81, 242, 104);
/* oklch */ color: oklch(84.9% 0.225 145.6);
Tailwind
colors: {
  custom: {
    50: '#94f897',
    500: '#51f268',
    950: '#000000',
  },
}
SCSS
$custom: #51f268;
$custom-light: #94f897;
$custom-dark: #000000;
JSON
{
  "hex": "#51f268",
  "rgb": {
    "r": 81,
    "g": 242,
    "b": 104
  },
  "hsl": {
    "h": 128.571,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.84883,
    "c": 0.22502,
    "h": 145.6
  },
  "luminance": 0.66253
}

Semantic roles & 50–950 ramp

primary
#51F268
secondary
#B92EA5
accent
#03C3E3
background
#FCFFFC
surface
#F5FFF5
border
#CFD7CF
text
#0F170E
muted
#80857F

Preview Lab

Preview with #51F268

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

Preview Lab → · Contrast checker → · Palette generator →

#51F268 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva