#66EC6F#66EC6F

#66EC6F is a very light, highly saturated green. Relative luminance 0.640; OKLCH L 84.1% C 0.204 H 144.7°. Best body text is #000000 at 13.79:1 contrast (WCAG AA passes).

Color values

HEX#66EC6F
RGBrgb(102, 236, 111)
HSLhsl(124, 78%, 66%)
HSVhsv(124, 57%, 93%)
CMYKcmyk(56.8%, 0%, 53%, 7.5%)
CIE-LABlab(83.94, -61.35, 49.26)
CIE-LCHlch(83.94, 78.68, 141.24°)
OKLaboklab(84.09% -0.1664 0.1179)
OKLCHoklch(84.09% 0.204 144.7)
XYZxyz(38.3419, 63.9599, 25.3608)
Luminance0.6396 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66EC6F #EC66E3
analogous
#A0EC66 #66EC6F #66ECB2
triadic
#66EC6F #6F66EC #EC6F66
tetradic
#66EC6F #66A0EC #EC66E3 #ECB266
square
#66EC6F #66A0EC #EC66E3 #ECB266
split-complementary
#66EC6F #B266EC #EC66A0
monochromatic
#18C023 #30E53C #66EC6F #9CF3A2 #D3FAD5

Accessibility & contrast

On white

1.52
#66EC6F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.79
#66EC6F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EC6F
13.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66EC6F#FFFFFF#000000##000000
##66EC6F1.001.5213.7913.79
#FFFFFF1.521.0021.0021.00
#00000013.7921.001.001.00
##00000013.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#F0D964
Deuteranopia (green-blind)
#DFCD78
Tritanopia (blue-blind)
#4DE6D0
Achromatopsia (no color)
#D1D1D1

Design tokens & code

CSS
--color: #66ec6f;
/* rgb */ color: rgb(102, 236, 111);
/* oklch */ color: oklch(84.1% 0.204 144.7);
Tailwind
colors: {
  custom: {
    50: '#9df39b',
    500: '#66ec6f',
    950: '#000000',
  },
}
SCSS
$custom: #66ec6f;
$custom-light: #9df39b;
$custom-dark: #000000;
JSON
{
  "hex": "#66ec6f",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 111
  },
  "hsl": {
    "h": 124.03,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.84092,
    "c": 0.20394,
    "h": 144.7
  },
  "luminance": 0.63963
}

Semantic roles & 50–950 ramp

primary
#66EC6F
secondary
#BE38B5
accent
#0BCCDA
background
#FCFFFC
surface
#F6FEF5
border
#D0D6CF
text
#0F170E
muted
#80857F

Preview Lab

Preview with #66EC6F

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

Preview Lab → · Contrast checker → · Palette generator →

#66EC6F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva