#51F269#51F269

#51F269 is a very light, highly saturated green. Relative luminance 0.663; OKLCH L 84.9% C 0.224 H 145.7°. Best body text is #000000 at 14.25:1 contrast (WCAG AA passes).

Color values

HEX#51F269
RGBrgb(81, 242, 105)
HSLhsl(129, 86%, 63%)
HSVhsv(129, 67%, 95%)
CMYKcmyk(66.5%, 0%, 56.6%, 5.1%)
CIE-LABlab(85.13, -68.57, 53.28)
CIE-LCHlch(85.13, 86.84, 142.16°)
OKLaboklab(84.9% -0.1852 0.1264)
OKLCHoklch(84.9% 0.224 145.7)
XYZxyz(37.6927, 66.2695, 24.1667)
Luminance0.6627 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51F269 #F251DA
analogous
#89F251 #51F269 #51F2B9
triadic
#51F269 #6951F2 #F26951
tetradic
#51F269 #5189F2 #F251DA #F2B951
square
#51F269 #5189F2 #F251DA #F2B951
split-complementary
#51F269 #B951F2 #F25189
monochromatic
#0EBB28 #18EE38 #51F269 #8AF69A #C3FBCB

Accessibility & contrast

On white

1.47
#51F269 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.25
#51F269 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F269
14.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51F269#FFFFFF#000000##000000
##51F2691.001.4714.2514.25
#FFFFFF1.471.0021.0021.00
#00000014.2521.001.001.00
##00000014.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#F6DD5B
Deuteranopia (green-blind)
#E2CF74
Tritanopia (blue-blind)
#19ECD4
Achromatopsia (no color)
#D5D5D5

Design tokens & code

CSS
--color: #51f269;
/* rgb */ color: rgb(81, 242, 105);
/* oklch */ color: oklch(84.9% 0.224 145.7);
Tailwind
colors: {
  custom: {
    50: '#94f897',
    500: '#51f269',
    950: '#000000',
  },
}
SCSS
$custom: #51f269;
$custom-light: #94f897;
$custom-dark: #000000;
JSON
{
  "hex": "#51f269",
  "rgb": {
    "r": 81,
    "g": 242,
    "b": 105
  },
  "hsl": {
    "h": 128.944,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.84895,
    "c": 0.22424,
    "h": 145.7
  },
  "luminance": 0.66274
}

Semantic roles & 50–950 ramp

primary
#51F269
secondary
#B92EA4
accent
#03C1E3
background
#FCFFFC
surface
#F5FFF5
border
#CFD7CF
text
#0F170E
muted
#80857F

Preview Lab

Preview with #51F269

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

Preview Lab → · Contrast checker → · Palette generator →

#51F269 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva