#66F4EE#66F4EE

#66F4EE is a very light, vivid teal. Relative luminance 0.737; OKLCH L 88.9% C 0.122 H 191.3°. Best body text is #000000 at 15.74:1 contrast (WCAG AA passes).

Color values

HEX#66F4EE
RGBrgb(102, 244, 238)
HSLhsl(177, 87%, 68%)
HSVhsv(177, 58%, 96%)
CMYKcmyk(58.2%, 0%, 2.5%, 4.3%)
CIE-LABlab(88.78, -39.42, -8.62)
CIE-LCHlch(88.78, 40.35, 192.34°)
OKLaboklab(88.86% -0.12 -0.024)
OKLCHoklch(88.86% 0.122 191.3)
XYZxyz(53.2560, 73.6937, 92.2900)
Luminance0.7370 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F4EE #F4666C
analogous
#66F4A7 #66F4EE #66B3F4
triadic
#66F4EE #EE66F4 #F4EE66
tetradic
#66F4EE #A766F4 #F4666C #B3F466
square
#66F4EE #A766F4 #F4666C #B3F466
split-complementary
#66F4EE #F466B3 #F4A766
monochromatic
#0FD1C8 #2DF0E8 #66F4EE #9FF8F4 #D8FCFB

Accessibility & contrast

On white

1.33
#66F4EE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.74
#66F4EE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F4EE
15.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F4EE#FFFFFF#000000##000000
##66F4EE1.001.3315.7415.74
#FFFFFF1.331.0021.0021.00
#00000015.7421.001.001.00
##00000015.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#E7E9EE
Deuteranopia (green-blind)
#D0D8EF
Tritanopia (blue-blind)
#00FAF2
Achromatopsia (no color)
#DFDFDF

Design tokens & code

CSS
--color: #66f4ee;
/* rgb */ color: rgb(102, 244, 238);
/* oklch */ color: oklch(88.9% 0.122 191.3);
Tailwind
colors: {
  custom: {
    50: '#9ff8f3',
    500: '#66f4ee',
    950: '#000000',
  },
}
SCSS
$custom: #66f4ee;
$custom-light: #9ff8f3;
$custom-dark: #000000;
JSON
{
  "hex": "#66f4ee",
  "rgb": {
    "r": 102,
    "g": 244,
    "b": 238
  },
  "hsl": {
    "h": 177.465,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.88858,
    "c": 0.12236,
    "h": 191.3
  },
  "luminance": 0.73699
}

Semantic roles & 50–950 ramp

primary
#66F4EE
secondary
#CC3239
accent
#020CE3
background
#FDFFFF
surface
#F7FFFE
border
#D0D7D6
text
#101717
muted
#818585

Preview Lab

Preview with #66F4EE

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

Preview Lab → · Contrast checker → · Palette generator →

#66F4EE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva