#66E9D9#66E9D9

#66E9D9 is a very light, moderate teal. Relative luminance 0.661; OKLCH L 85.7% C 0.118 H 184.4°. Best body text is #000000 at 14.22:1 contrast (WCAG AA passes).

Color values

HEX#66E9D9
RGBrgb(102, 233, 217)
HSLhsl(173, 75%, 66%)
HSVhsv(173, 56%, 91%)
CMYKcmyk(56.2%, 0%, 6.9%, 8.6%)
CIE-LABlab(85.05, -39.79, -3.11)
CIE-LCHlch(85.05, 39.92, 184.47°)
OKLaboklab(85.65% -0.1175 -0.009)
OKLCHoklch(85.65% 0.118 184.4)
XYZxyz(47.1373, 66.1077, 75.9081)
Luminance0.6611 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E9D9 #E96676
analogous
#66E997 #66E9D9 #66B7E9
triadic
#66E9D9 #D966E9 #E9D966
tetradic
#66E9D9 #9766E9 #E96676 #B7E966
square
#66E9D9 #9766E9 #E96676 #B7E966
split-complementary
#66E9D9 #E966B7 #E99766
monochromatic
#1BBAA6 #30E1CC #66E9D9 #9CF1E6 #D1F8F4

Accessibility & contrast

On white

1.48
#66E9D9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.22
#66E9D9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E9D9
14.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E9D9#FFFFFF#000000##000000
##66E9D91.001.4814.2214.22
#FFFFFF1.481.0021.0021.00
#00000014.2221.001.001.00
##00000014.2221.001.001.00

Color blindness preview

Protanopia (red-blind)
#DFDDD8
Deuteranopia (green-blind)
#CACEDB
Tritanopia (blue-blind)
#00EDE4
Achromatopsia (no color)
#D4D4D4

Design tokens & code

CSS
--color: #66e9d9;
/* rgb */ color: rgb(102, 233, 217);
/* oklch */ color: oklch(85.7% 0.118 184.4);
Tailwind
colors: {
  custom: {
    50: '#9df0e4',
    500: '#66e9d9',
    950: '#000000',
  },
}
SCSS
$custom: #66e9d9;
$custom-light: #9df0e4;
$custom-dark: #000000;
JSON
{
  "hex": "#66e9d9",
  "rgb": {
    "r": 102,
    "g": 233,
    "b": 217
  },
  "hsl": {
    "h": 172.672,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.85651,
    "c": 0.11785,
    "h": 184.4
  },
  "luminance": 0.66112
}

Semantic roles & 50–950 ramp

primary
#66E9D9
secondary
#B93A49
accent
#0E27D7
background
#FCFFFE
surface
#F6FEFC
border
#D0D6D5
text
#0F1715
muted
#808584

Preview Lab

Preview with #66E9D9

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

Preview Lab → · Contrast checker → · Palette generator →

#66E9D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva