#66ED63#66ED63

#66ED63 is a very light, highly saturated green. Relative luminance 0.643; OKLCH L 84.2% C 0.215 H 143.0°. Best body text is #000000 at 13.86:1 contrast (WCAG AA passes).

Color values

HEX#66ED63
RGBrgb(102, 237, 99)
HSLhsl(119, 79%, 66%)
HSVhsv(119, 58%, 93%)
CMYKcmyk(57%, 0%, 58.2%, 7.1%)
CIE-LABlab(84.12, -63.15, 54.89)
CIE-LCHlch(84.12, 83.67, 139.00°)
OKLaboklab(84.19% -0.1717 0.1293)
OKLCHoklch(84.19% 0.215 143)
XYZxyz(38.0138, 64.2906, 22.2081)
Luminance0.6429 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66ED63 #EA63ED
analogous
#ABED63 #66ED63 #63EDA5
triadic
#66ED63 #6366ED #ED6366
tetradic
#66ED63 #63ABED #EA63ED #EDA563
square
#66ED63 #63ABED #EA63ED #EDA563
split-complementary
#66ED63 #A563ED #ED63AB
monochromatic
#1AC016 #30E72C #66ED63 #9CF39A #D2FAD1

Accessibility & contrast

On white

1.52
#66ED63 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.86
#66ED63 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ED63
13.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66ED63#FFFFFF#000000##000000
##66ED631.001.5213.8613.86
#FFFFFF1.521.0021.0021.00
#00000013.8621.001.001.00
##00000013.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#F2D955
Deuteranopia (green-blind)
#E1CD6E
Tritanopia (blue-blind)
#50E7CF
Achromatopsia (no color)
#D2D2D2

Design tokens & code

CSS
--color: #66ed63;
/* rgb */ color: rgb(102, 237, 99);
/* oklch */ color: oklch(84.2% 0.215 143.0);
Tailwind
colors: {
  custom: {
    50: '#9ef493',
    500: '#66ed63',
    950: '#000000',
  },
}
SCSS
$custom: #66ed63;
$custom-light: #9ef493;
$custom-dark: #000000;
JSON
{
  "hex": "#66ed63",
  "rgb": {
    "r": 102,
    "g": 237,
    "b": 99
  },
  "hsl": {
    "h": 118.696,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.84192,
    "c": 0.21497,
    "h": 143
  },
  "luminance": 0.64294
}

Semantic roles & 50–950 ramp

primary
#66ED63
secondary
#BB36BE
accent
#0ADCD7
background
#FCFFFC
surface
#F6FEF4
border
#D0D6CE
text
#10170D
muted
#80857F

Preview Lab

Preview with #66ED63

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

Preview Lab → · Contrast checker → · Palette generator →

#66ED63 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva