#66FDC4#66FDC4

#66FDC4 is a very light, vivid teal. Relative luminance 0.771; OKLCH L 89.8% C 0.153 H 165.0°. Best body text is #000000 at 16.41:1 contrast (WCAG AA passes).

Color values

HEX#66FDC4
RGBrgb(102, 253, 196)
HSLhsl(157, 97%, 70%)
HSVhsv(157, 60%, 99%)
CMYKcmyk(59.7%, 0%, 22.5%, 0.8%)
CIE-LABlab(90.35, -53.26, 15.46)
CIE-LCHlch(90.35, 55.45, 163.82°)
OKLaboklab(89.8% -0.1474 0.0396)
OKLCHoklch(89.8% 0.153 165)
XYZxyz(50.5635, 77.0558, 64.4224)
Luminance0.7706 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66FDC4 #FD669F
analogous
#66FD79 #66FDC4 #66EAFD
triadic
#66FDC4 #C466FD #FDC466
tetradic
#66FDC4 #7966FD #FD669F #EAFD66
square
#66FDC4 #7966FD #FD669F #EAFD66
split-complementary
#66FDC4 #FD66EA #FD7966
monochromatic
#03E690 #2AFCAD #66FDC4 #A2FEDB #DFFFF3

Accessibility & contrast

On white

1.28
#66FDC4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.41
#66FDC4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDC4
16.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66FDC4#FFFFFF#000000##000000
##66FDC41.001.2816.4116.41
#FFFFFF1.281.0021.0021.00
#00000016.4121.001.001.00
##00000016.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#F8ECC1
Deuteranopia (green-blind)
#E3DDC8
Tritanopia (blue-blind)
#00FDED
Achromatopsia (no color)
#E3E3E3

Design tokens & code

CSS
--color: #66fdc4;
/* rgb */ color: rgb(102, 253, 196);
/* oklch */ color: oklch(89.8% 0.153 165.0);
Tailwind
colors: {
  custom: {
    50: '#9fffd6',
    500: '#66fdc4',
    950: '#000000',
  },
}
SCSS
$custom: #66fdc4;
$custom-light: #9fffd6;
$custom-dark: #000000;
JSON
{
  "hex": "#66fdc4",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 196
  },
  "hsl": {
    "h": 157.351,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.89797,
    "c": 0.15262,
    "h": 165
  },
  "luminance": 0.77061
}

Semantic roles & 50–950 ramp

primary
#66FDC4
secondary
#D82F6F
accent
#0057E6
background
#FDFFFE
surface
#F7FFFB
border
#D0D7D4
text
#101814
muted
#818683

Preview Lab

Preview with #66FDC4

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

Preview Lab → · Contrast checker → · Palette generator →

#66FDC4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva