#66E5CD#66E5CD

#66E5CD is a very light, moderate teal. Relative luminance 0.633; OKLCH L 84.4% C 0.118 H 178.9°. Best body text is #000000 at 13.65:1 contrast (WCAG AA passes).

Color values

HEX#66E5CD
RGBrgb(102, 229, 205)
HSLhsl(169, 71%, 65%)
HSVhsv(169, 55%, 90%)
CMYKcmyk(55.5%, 0%, 10.5%, 10.2%)
CIE-LABlab(83.58, -40.95, 1.07)
CIE-LCHlch(83.58, 40.96, 178.51°)
OKLaboklab(84.36% -0.1185 0.0022)
OKLCHoklch(84.36% 0.118 178.9)
XYZxyz(44.5133, 63.2669, 67.6117)
Luminance0.6327 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E5CD #E5667E
analogous
#66E58D #66E5CD #66BEE5
triadic
#66E5CD #CD66E5 #E5CD66
tetradic
#66E5CD #8D66E5 #E5667E #BEE566
square
#66E5CD #8D66E5 #E5667E #BEE566
split-complementary
#66E5CD #E566BE #E58D66
monochromatic
#1EB296 #32DCBC #66E5CD #9AEEDE #CFF7EF

Accessibility & contrast

On white

1.54
#66E5CD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.65
#66E5CD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E5CD
13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E5CD#FFFFFF#000000##000000
##66E5CD1.001.5413.6513.65
#FFFFFF1.541.0021.0021.00
#00000013.6521.001.001.00
##00000013.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#DDD9CC
Deuteranopia (green-blind)
#C9CACF
Tritanopia (blue-blind)
#00E8DE
Achromatopsia (no color)
#D0D0D0

Design tokens & code

CSS
--color: #66e5cd;
/* rgb */ color: rgb(102, 229, 205);
/* oklch */ color: oklch(84.4% 0.118 178.9);
Tailwind
colors: {
  custom: {
    50: '#9ceedc',
    500: '#66e5cd',
    950: '#000000',
  },
}
SCSS
$custom: #66e5cd;
$custom-light: #9ceedc;
$custom-dark: #000000;
JSON
{
  "hex": "#66e5cd",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 205
  },
  "hsl": {
    "h": 168.661,
    "s": 70.95,
    "l": 64.902
  },
  "oklch": {
    "l": 0.84357,
    "c": 0.11849,
    "h": 178.9
  },
  "luminance": 0.63271
}

Semantic roles & 50–950 ramp

primary
#66E5CD
secondary
#B33C53
accent
#1337D3
background
#FCFFFE
surface
#F6FEFB
border
#D0D6D4
text
#0F1615
muted
#808584

Preview Lab

Preview with #66E5CD

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

Preview Lab → · Contrast checker → · Palette generator →

#66E5CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva