#66E4E7#66E4E7

#66E4E7 is a very light, moderate teal. Relative luminance 0.641; OKLCH L 84.9% C 0.111 H 197.4°. Best body text is #000000 at 13.82:1 contrast (WCAG AA passes).

Color values

HEX#66E4E7
RGBrgb(102, 228, 231)
HSLhsl(181, 73%, 65%)
HSVhsv(181, 56%, 91%)
CMYKcmyk(55.8%, 1.3%, 0%, 9.4%)
CIE-LABlab(84.01, -33.88, -12.05)
CIE-LCHlch(84.01, 35.96, 199.58°)
OKLaboklab(84.94% -0.1064 -0.0333)
OKLCHoklch(84.94% 0.111 197.4)
XYZxyz(47.6406, 64.0764, 85.4431)
Luminance0.6408 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E4E7 #E76966
analogous
#66E7A9 #66E4E7 #66A4E7
triadic
#66E4E7 #E766E4 #E4E766
tetradic
#66E4E7 #A966E7 #E76966 #A4E766
square
#66E4E7 #A966E7 #E76966 #A4E766
split-complementary
#66E4E7 #E766A4 #E7A966
monochromatic
#1DB2B6 #31DBDF #66E4E7 #9BEDEF #D0F7F8

Accessibility & contrast

On white

1.52
#66E4E7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.82
#66E4E7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E4E7
13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E4E7#FFFFFF#000000##000000
##66E4E71.001.5213.8213.82
#FFFFFF1.521.0021.0021.00
#00000013.8221.001.001.00
##00000013.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#D6DAE7
Deuteranopia (green-blind)
#C1CBE8
Tritanopia (blue-blind)
#00EBE5
Achromatopsia (no color)
#D1D1D1

Design tokens & code

CSS
--color: #66e4e7;
/* rgb */ color: rgb(102, 228, 231);
/* oklch */ color: oklch(84.9% 0.111 197.4);
Tailwind
colors: {
  custom: {
    50: '#9dedee',
    500: '#66e4e7',
    950: '#000000',
  },
}
SCSS
$custom: #66e4e7;
$custom-light: #9dedee;
$custom-dark: #000000;
JSON
{
  "hex": "#66e4e7",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 231
  },
  "hsl": {
    "h": 181.395,
    "s": 72.881,
    "l": 65.294
  },
  "oklch": {
    "l": 0.84935,
    "c": 0.11149,
    "h": 197.4
  },
  "luminance": 0.64081
}

Semantic roles & 50–950 ramp

primary
#66E4E7
secondary
#B63E3B
accent
#1511D5
background
#FCFFFF
surface
#F6FEFE
border
#D0D6D6
text
#0F1616
muted
#808585

Preview Lab

Preview with #66E4E7

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

Preview Lab → · Contrast checker → · Palette generator →

#66E4E7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva