#66E4E3#66E4E3

#66E4E3 is a very light, moderate teal. Relative luminance 0.639; OKLCH L 84.8% C 0.112 H 194.5°. Best body text is #000000 at 13.77:1 contrast (WCAG AA passes).

Color values

HEX#66E4E3
RGBrgb(102, 228, 227)
HSLhsl(180, 70%, 65%)
HSVhsv(180, 55%, 89%)
CMYKcmyk(55.3%, 0%, 0.4%, 10.6%)
CIE-LABlab(83.89, -34.94, -10.11)
CIE-LCHlch(83.89, 36.37, 196.14°)
OKLaboklab(84.8% -0.108 -0.028)
OKLCHoklch(84.8% 0.112 194.5)
XYZxyz(47.0821, 63.8530, 82.5018)
Luminance0.6386 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E4E3 #E46667
analogous
#66E4A4 #66E4E3 #66A6E4
triadic
#66E4E3 #E366E4 #E4E366
tetradic
#66E4E3 #A466E4 #E46667 #A6E466
square
#66E4E3 #A466E4 #E46667 #A6E466
split-complementary
#66E4E3 #E466A6 #E4A466
monochromatic
#1FB0AF #32DBD9 #66E4E3 #9AEDED #CEF6F6

Accessibility & contrast

On white

1.52
#66E4E3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.77
#66E4E3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E4E3
13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E4E3#FFFFFF#000000##000000
##66E4E31.001.5213.7713.77
#FFFFFF1.521.0021.0021.00
#00000013.7721.001.001.00
##00000013.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#D7DAE3
Deuteranopia (green-blind)
#C2CBE4
Tritanopia (blue-blind)
#00EAE3
Achromatopsia (no color)
#D1D1D1

Design tokens & code

CSS
--color: #66e4e3;
/* rgb */ color: rgb(102, 228, 227);
/* oklch */ color: oklch(84.8% 0.112 194.5);
Tailwind
colors: {
  custom: {
    50: '#9dedeb',
    500: '#66e4e3',
    950: '#000000',
  },
}
SCSS
$custom: #66e4e3;
$custom-light: #9dedeb;
$custom-dark: #000000;
JSON
{
  "hex": "#66e4e3",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 227
  },
  "hsl": {
    "h": 179.524,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.84802,
    "c": 0.1116,
    "h": 194.5
  },
  "luminance": 0.63858
}

Semantic roles & 50–950 ramp

primary
#66E4E3
secondary
#B13D3E
accent
#1415D2
background
#FCFFFE
surface
#F6FEFD
border
#D0D6D5
text
#0F1616
muted
#808584

Preview Lab

Preview with #66E4E3

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

Preview Lab → · Contrast checker → · Palette generator →

#66E4E3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva