#66E8CA#66E8CA

#66E8CA is a very light, vivid teal. Relative luminance 0.648; OKLCH L 85.0% C 0.123 H 175.6°. Best body text is #000000 at 13.96:1 contrast (WCAG AA passes).

Color values

HEX#66E8CA
RGBrgb(102, 232, 202)
HSLhsl(166, 74%, 65%)
HSVhsv(166, 56%, 91%)
CMYKcmyk(56%, 0%, 12.9%, 9%)
CIE-LABlab(84.38, -43.00, 3.81)
CIE-LCHlch(84.38, 43.16, 174.94°)
OKLaboklab(84.98% -0.123 0.0094)
OKLCHoklch(84.98% 0.123 175.6)
XYZxyz(44.9919, 64.7979, 66.0019)
Luminance0.6480 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E8CA #E86684
analogous
#66E889 #66E8CA #66C5E8
triadic
#66E8CA #CA66E8 #E8CA66
tetradic
#66E8CA #8966E8 #E86684 #C5E866
square
#66E8CA #8966E8 #E86684 #C5E866
split-complementary
#66E8CA #E866C5 #E88966
monochromatic
#1CB894 #31E0B8 #66E8CA #9BF0DC #D0F8EF

Accessibility & contrast

On white

1.50
#66E8CA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.96
#66E8CA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E8CA
13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E8CA#FFFFFF#000000##000000
##66E8CA1.001.5013.9613.96
#FFFFFF1.501.0021.0021.00
#00000013.9621.001.001.00
##00000013.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#E0DBC9
Deuteranopia (green-blind)
#CDCDCC
Tritanopia (blue-blind)
#00EBDF
Achromatopsia (no color)
#D3D3D3

Design tokens & code

CSS
--color: #66e8ca;
/* rgb */ color: rgb(102, 232, 202);
/* oklch */ color: oklch(85.0% 0.123 175.6);
Tailwind
colors: {
  custom: {
    50: '#9cf0da',
    500: '#66e8ca',
    950: '#000000',
  },
}
SCSS
$custom: #66e8ca;
$custom-light: #9cf0da;
$custom-dark: #000000;
JSON
{
  "hex": "#66e8ca",
  "rgb": {
    "r": 102,
    "g": 232,
    "b": 202
  },
  "hsl": {
    "h": 166.154,
    "s": 73.864,
    "l": 65.49
  },
  "oklch": {
    "l": 0.84979,
    "c": 0.12332,
    "h": 175.6
  },
  "luminance": 0.64802
}

Semantic roles & 50–950 ramp

primary
#66E8CA
secondary
#B83A57
accent
#103DD6
background
#FCFFFE
surface
#F6FEFB
border
#D0D6D4
text
#0F1614
muted
#808583

Preview Lab

Preview with #66E8CA

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

Preview Lab → · Contrast checker → · Palette generator →

#66E8CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva