#51EF6A#51EF6A

#51EF6A is a very light, highly saturated green. Relative luminance 0.645; OKLCH L 84.2% C 0.220 H 145.9°. Best body text is #000000 at 13.90:1 contrast (WCAG AA passes).

Color values

HEX#51EF6A
RGBrgb(81, 239, 106)
HSLhsl(129, 83%, 63%)
HSVhsv(129, 66%, 94%)
CMYKcmyk(66.1%, 0%, 55.6%, 6.3%)
CIE-LABlab(84.24, -67.43, 51.77)
CIE-LCHlch(84.24, 85.01, 142.49°)
OKLaboklab(84.16% -0.1821 0.1232)
OKLCHoklch(84.16% 0.22 145.9)
XYZxyz(36.8589, 64.5191, 24.1438)
Luminance0.6452 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51EF6A #EF51D6
analogous
#87EF51 #51EF6A #51EFB9
triadic
#51EF6A #6A51EF #EF6A51
tetradic
#51EF6A #5187EF #EF51D6 #EFB951
square
#51EF6A #5187EF #EF51D6 #EFB951
split-complementary
#51EF6A #B951EF #EF5187
monochromatic
#11B52B #19EA3A #51EF6A #89F49A #C1F9CA

Accessibility & contrast

On white

1.51
#51EF6A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.90
#51EF6A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EF6A
13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51EF6A#FFFFFF#000000##000000
##51EF6A1.001.5113.9013.90
#FFFFFF1.511.0021.0021.00
#00000013.9021.001.001.00
##00000013.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#F2DA5D
Deuteranopia (green-blind)
#DFCD74
Tritanopia (blue-blind)
#1CE9D1
Achromatopsia (no color)
#D2D2D2

Design tokens & code

CSS
--color: #51ef6a;
/* rgb */ color: rgb(81, 239, 106);
/* oklch */ color: oklch(84.2% 0.220 145.9);
Tailwind
colors: {
  custom: {
    50: '#94f598',
    500: '#51ef6a',
    950: '#000000',
  },
}
SCSS
$custom: #51ef6a;
$custom-light: #94f598;
$custom-dark: #000000;
JSON
{
  "hex": "#51ef6a",
  "rgb": {
    "r": 81,
    "g": 239,
    "b": 106
  },
  "hsl": {
    "h": 129.494,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.84156,
    "c": 0.21985,
    "h": 145.9
  },
  "luminance": 0.64523
}

Semantic roles & 50–950 ramp

primary
#51EF6A
secondary
#B5309F
accent
#06BDE0
background
#FCFFFC
surface
#F5FFF5
border
#CFD7CF
text
#0F170E
muted
#80857F

Preview Lab

Preview with #51EF6A

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

Preview Lab → · Contrast checker → · Palette generator →

#51EF6A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva