#66EEEF#66EEEF

#66EEEF is a very light, moderate teal. Relative luminance 0.702; OKLCH L 87.5% C 0.118 H 195.9°. Best body text is #000000 at 15.04:1 contrast (WCAG AA passes).

Color values

HEX#66EEEF
RGBrgb(102, 238, 239)
HSLhsl(180, 81%, 67%)
HSVhsv(180, 57%, 94%)
CMYKcmyk(57.3%, 0.4%, 0%, 6.3%)
CIE-LABlab(87.10, -36.42, -11.65)
CIE-LCHlch(87.10, 38.23, 197.74°)
OKLaboklab(87.51% -0.1134 -0.0323)
OKLCHoklch(87.51% 0.118 195.9)
XYZxyz(51.6273, 70.2006, 92.4739)
Luminance0.7021 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66EEEF #EF6766
analogous
#66EFAC #66EEEF #66AAEF
triadic
#66EEEF #EF66EE #EEEF66
tetradic
#66EEEF #AC66EF #EF6766 #AAEF66
square
#66EEEF #AC66EF #EF6766 #AAEF66
split-complementary
#66EEEF #EF66AA #EFAC66
monochromatic
#15C5C6 #2FE8E9 #66EEEF #9DF4F5 #D5FAFB

Accessibility & contrast

On white

1.40
#66EEEF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.04
#66EEEF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EEEF
15.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66EEEF#FFFFFF#000000##000000
##66EEEF1.001.4015.0415.04
#FFFFFF1.401.0021.0021.00
#00000015.0421.001.001.00
##00000015.0421.001.001.00

Color blindness preview

Protanopia (red-blind)
#E0E4EF
Deuteranopia (green-blind)
#CAD3F0
Tritanopia (blue-blind)
#00F5EE
Achromatopsia (no color)
#DADADA

Design tokens & code

CSS
--color: #66eeef;
/* rgb */ color: rgb(102, 238, 239);
/* oklch */ color: oklch(87.5% 0.118 195.9);
Tailwind
colors: {
  custom: {
    50: '#9ff4f4',
    500: '#66eeef',
    950: '#000000',
  },
}
SCSS
$custom: #66eeef;
$custom-light: #9ff4f4;
$custom-dark: #000000;
JSON
{
  "hex": "#66eeef",
  "rgb": {
    "r": 102,
    "g": 238,
    "b": 239
  },
  "hsl": {
    "h": 180.438,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.87507,
    "c": 0.11794,
    "h": 195.9
  },
  "luminance": 0.70206
}

Semantic roles & 50–950 ramp

primary
#66EEEF
secondary
#C33736
accent
#0A08DD
background
#FDFFFF
surface
#F7FEFE
border
#D0D6D6
text
#101717
muted
#818585

Preview Lab

Preview with #66EEEF

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

Preview Lab → · Contrast checker → · Palette generator →

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