#66F4FC#66F4FC

#66F4FC is a very light, vivid teal. Relative luminance 0.746; OKLCH L 89.3% C 0.122 H 200.4°. Best body text is #000000 at 15.91:1 contrast (WCAG AA passes).

Color values

HEX#66F4FC
RGBrgb(102, 244, 252)
HSLhsl(183, 96%, 69%)
HSVhsv(183, 60%, 99%)
CMYKcmyk(59.5%, 3.2%, 0%, 1.2%)
CIE-LABlab(89.18, -35.72, -15.33)
CIE-LCHlch(89.18, 38.87, 203.23°)
OKLaboklab(89.32% -0.1142 -0.0424)
OKLCHoklch(89.32% 0.122 200.4)
XYZxyz(55.3934, 74.5486, 103.5466)
Luminance0.7455 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F4FC #FC6E66
analogous
#66FCB9 #66F4FC #66A9FC
triadic
#66F4FC #FC66F4 #F4FC66
tetradic
#66F4FC #B966FC #FC6E66 #A9FC66
square
#66F4FC #B966FC #FC6E66 #A9FC66
split-complementary
#66F4FC #FC66A9 #FCB966
monochromatic
#04D7E3 #2AF0FB #66F4FC #A2F8FD #DEFDFE

Accessibility & contrast

On white

1.32
#66F4FC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.91
#66F4FC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F4FC
15.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F4FC#FFFFFF#000000##000000
##66F4FC1.001.3215.9115.91
#FFFFFF1.321.0021.0021.00
#00000015.9121.001.001.00
##00000015.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#E4EAFD
Deuteranopia (green-blind)
#CCD9FD
Tritanopia (blue-blind)
#00FCF6
Achromatopsia (no color)
#E0E0E0

Design tokens & code

CSS
--color: #66f4fc;
/* rgb */ color: rgb(102, 244, 252);
/* oklch */ color: oklch(89.3% 0.122 200.4);
Tailwind
colors: {
  custom: {
    50: '#a0f8fd',
    500: '#66f4fc',
    950: '#000000',
  },
}
SCSS
$custom: #66f4fc;
$custom-light: #a0f8fd;
$custom-dark: #000000;
JSON
{
  "hex": "#66f4fc",
  "rgb": {
    "r": 102,
    "g": 244,
    "b": 252
  },
  "hsl": {
    "h": 183.2,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.89318,
    "c": 0.12188,
    "h": 200.4
  },
  "luminance": 0.74554
}

Semantic roles & 50–950 ramp

primary
#66F4FC
secondary
#D63930
accent
#0C00E6
background
#FDFFFF
surface
#F7FFFF
border
#D0D7D7
text
#101717
muted
#818585

Preview Lab

Preview with #66F4FC

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

Preview Lab → · Contrast checker → · Palette generator →

#66F4FC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva