#66E5CB#66E5CB

#66E5CB is a very light, moderate teal. Relative luminance 0.632; OKLCH L 84.3% C 0.119 H 177.7°. Best body text is #000000 at 13.64:1 contrast (WCAG AA passes).

Color values

HEX#66E5CB
RGBrgb(102, 229, 203)
HSLhsl(168, 71%, 65%)
HSVhsv(168, 55%, 90%)
CMYKcmyk(55.5%, 0%, 11.4%, 10.2%)
CIE-LABlab(83.53, -41.43, 2.05)
CIE-LCHlch(83.53, 41.48, 177.17°)
OKLaboklab(84.3% -0.1193 0.0048)
OKLCHoklch(84.3% 0.119 177.7)
XYZxyz(44.2734, 63.1709, 66.3484)
Luminance0.6318 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E5CB #E56680
analogous
#66E58C #66E5CB #66BFE5
triadic
#66E5CB #CB66E5 #E5CB66
tetradic
#66E5CB #8C66E5 #E56680 #BFE566
square
#66E5CB #8C66E5 #E56680 #BFE566
split-complementary
#66E5CB #E566BF #E58C66
monochromatic
#1EB294 #32DCB9 #66E5CB #9AEEDD #CFF7EF

Accessibility & contrast

On white

1.54
#66E5CB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.64
#66E5CB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E5CB
13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E5CB#FFFFFF#000000##000000
##66E5CB1.001.5413.6413.64
#FFFFFF1.541.0021.0021.00
#00000013.6421.001.001.00
##00000013.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#DDD9CA
Deuteranopia (green-blind)
#C9CACD
Tritanopia (blue-blind)
#00E8DD
Achromatopsia (no color)
#D0D0D0

Design tokens & code

CSS
--color: #66e5cb;
/* rgb */ color: rgb(102, 229, 203);
/* oklch */ color: oklch(84.3% 0.119 177.7);
Tailwind
colors: {
  custom: {
    50: '#9ceeda',
    500: '#66e5cb',
    950: '#000000',
  },
}
SCSS
$custom: #66e5cb;
$custom-light: #9ceeda;
$custom-dark: #000000;
JSON
{
  "hex": "#66e5cb",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 203
  },
  "hsl": {
    "h": 167.717,
    "s": 70.95,
    "l": 64.902
  },
  "oklch": {
    "l": 0.84299,
    "c": 0.11945,
    "h": 177.7
  },
  "luminance": 0.63175
}

Semantic roles & 50–950 ramp

primary
#66E5CB
secondary
#B33C55
accent
#133AD3
background
#FCFFFE
surface
#F6FEFB
border
#D0D6D4
text
#0F1614
muted
#808583

Preview Lab

Preview with #66E5CB

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

Preview Lab → · Contrast checker → · Palette generator →

#66E5CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva