#66FCD8#66FCD8

#66FCD8 is a very light, vivid teal. Relative luminance 0.774; OKLCH L 90.1% C 0.138 H 174.4°. Best body text is #000000 at 16.48:1 contrast (WCAG AA passes).

Color values

HEX#66FCD8
RGBrgb(102, 252, 216)
HSLhsl(166, 96%, 69%)
HSVhsv(166, 60%, 99%)
CMYKcmyk(59.5%, 0%, 14.3%, 1.2%)
CIE-LABlab(90.50, -48.36, 5.35)
CIE-LCHlch(90.50, 48.66, 173.68°)
OKLaboklab(90.07% -0.1376 0.0134)
OKLCHoklch(90.07% 0.138 174.4)
XYZxyz(52.6787, 77.3981, 77.1156)
Luminance0.7740 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66FCD8 #FC668A
analogous
#66FC8D #66FCD8 #66D5FC
triadic
#66FCD8 #D866FC #FCD866
tetradic
#66FCD8 #8D66FC #FC668A #D5FC66
square
#66FCD8 #8D66FC #FC668A #D5FC66
split-complementary
#66FCD8 #FC66D5 #FC8D66
monochromatic
#04E3AE #2AFBC9 #66FCD8 #A2FDE7 #DEFEF7

Accessibility & contrast

On white

1.27
#66FCD8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.48
#66FCD8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FCD8
16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66FCD8#FFFFFF#000000##000000
##66FCD81.001.2716.4816.48
#FFFFFF1.271.0021.0021.00
#00000016.4821.001.001.00
##00000016.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#F4EDD6
Deuteranopia (green-blind)
#DEDDDB
Tritanopia (blue-blind)
#00FFF1
Achromatopsia (no color)
#E4E4E4

Design tokens & code

CSS
--color: #66fcd8;
/* rgb */ color: rgb(102, 252, 216);
/* oklch */ color: oklch(90.1% 0.138 174.4);
Tailwind
colors: {
  custom: {
    50: '#9ffee4',
    500: '#66fcd8',
    950: '#000000',
  },
}
SCSS
$custom: #66fcd8;
$custom-light: #9ffee4;
$custom-dark: #000000;
JSON
{
  "hex": "#66fcd8",
  "rgb": {
    "r": 102,
    "g": 252,
    "b": 216
  },
  "hsl": {
    "h": 165.6,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.90073,
    "c": 0.13821,
    "h": 174.4
  },
  "luminance": 0.77403
}

Semantic roles & 50–950 ramp

primary
#66FCD8
secondary
#D63058
accent
#0037E6
background
#FDFFFE
surface
#F7FFFC
border
#D0D7D5
text
#101815
muted
#818684

Preview Lab

Preview with #66FCD8

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

Preview Lab → · Contrast checker → · Palette generator →

#66FCD8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva