#66E9DB#66E9DB

#66E9DB is a very light, moderate teal. Relative luminance 0.662; OKLCH L 85.7% C 0.117 H 185.7°. Best body text is #000000 at 14.24:1 contrast (WCAG AA passes).

Color values

HEX#66E9DB
RGBrgb(102, 233, 219)
HSLhsl(174, 75%, 66%)
HSVhsv(174, 56%, 91%)
CMYKcmyk(56.2%, 0%, 6%, 8.6%)
CIE-LABlab(85.10, -39.29, -4.09)
CIE-LCHlch(85.10, 39.50, 185.94°)
OKLaboklab(85.71% -0.1166 -0.0117)
OKLCHoklch(85.71% 0.117 185.7)
XYZxyz(47.3990, 66.2124, 77.2864)
Luminance0.6622 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E9DB #E96674
analogous
#66E999 #66E9DB #66B5E9
triadic
#66E9DB #DB66E9 #E9DB66
tetradic
#66E9DB #9966E9 #E96674 #B5E966
square
#66E9DB #9966E9 #E96674 #B5E966
split-complementary
#66E9DB #E966B5 #E99966
monochromatic
#1BBAA9 #30E1CE #66E9DB #9CF1E8 #D1F8F4

Accessibility & contrast

On white

1.47
#66E9DB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.24
#66E9DB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E9DB
14.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E9DB#FFFFFF#000000##000000
##66E9DB1.001.4714.2414.24
#FFFFFF1.471.0021.0021.00
#00000014.2421.001.001.00
##00000014.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#DEDDDB
Deuteranopia (green-blind)
#CACEDD
Tritanopia (blue-blind)
#00EEE4
Achromatopsia (no color)
#D5D5D5

Design tokens & code

CSS
--color: #66e9db;
/* rgb */ color: rgb(102, 233, 219);
/* oklch */ color: oklch(85.7% 0.117 185.7);
Tailwind
colors: {
  custom: {
    50: '#9df0e6',
    500: '#66e9db',
    950: '#000000',
  },
}
SCSS
$custom: #66e9db;
$custom-light: #9df0e6;
$custom-dark: #000000;
JSON
{
  "hex": "#66e9db",
  "rgb": {
    "r": 102,
    "g": 233,
    "b": 219
  },
  "hsl": {
    "h": 173.588,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.85712,
    "c": 0.11722,
    "h": 185.7
  },
  "luminance": 0.66217
}

Semantic roles & 50–950 ramp

primary
#66E9DB
secondary
#B93A48
accent
#0E24D7
background
#FCFFFE
surface
#F6FEFC
border
#D0D6D5
text
#0F1615
muted
#808584

Preview Lab

Preview with #66E9DB

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

Preview Lab → · Contrast checker → · Palette generator →

#66E9DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva