#66E6DF#66E6DF

#66E6DF is a very light, moderate teal. Relative luminance 0.647; OKLCH L 85.1% C 0.114 H 190.3°. Best body text is #000000 at 13.95:1 contrast (WCAG AA passes).

Color values

HEX#66E6DF
RGBrgb(102, 230, 223)
HSLhsl(177, 72%, 65%)
HSVhsv(177, 56%, 90%)
CMYKcmyk(55.7%, 0%, 3%, 9.8%)
CIE-LABlab(84.35, -36.91, -7.31)
CIE-LCHlch(84.35, 37.62, 191.21°)
OKLaboklab(85.14% -0.1118 -0.0204)
OKLCHoklch(85.14% 0.114 190.3)
XYZxyz(47.0898, 64.7415, 79.8125)
Luminance0.6475 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E6DF #E6666D
analogous
#66E69F #66E6DF #66ADE6
triadic
#66E6DF #DF66E6 #E6DF66
tetradic
#66E6DF #9F66E6 #E6666D #ADE666
square
#66E6DF #9F66E6 #E6666D #ADE666
split-complementary
#66E6DF #E666AD #E69F66
monochromatic
#1DB4AC #31DDD4 #66E6DF #9BEFEA #CFF7F5

Accessibility & contrast

On white

1.51
#66E6DF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.95
#66E6DF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E6DF
13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E6DF#FFFFFF#000000##000000
##66E6DF1.001.5113.9513.95
#FFFFFF1.511.0021.0021.00
#00000013.9521.001.001.00
##00000013.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#DADBDF
Deuteranopia (green-blind)
#C6CCE0
Tritanopia (blue-blind)
#00ECE3
Achromatopsia (no color)
#D2D2D2

Design tokens & code

CSS
--color: #66e6df;
/* rgb */ color: rgb(102, 230, 223);
/* oklch */ color: oklch(85.1% 0.114 190.3);
Tailwind
colors: {
  custom: {
    50: '#9deee8',
    500: '#66e6df',
    950: '#000000',
  },
}
SCSS
$custom: #66e6df;
$custom-light: #9deee8;
$custom-dark: #000000;
JSON
{
  "hex": "#66e6df",
  "rgb": {
    "r": 102,
    "g": 230,
    "b": 223
  },
  "hsl": {
    "h": 176.719,
    "s": 71.91,
    "l": 65.098
  },
  "oklch": {
    "l": 0.85137,
    "c": 0.11364,
    "h": 190.3
  },
  "luminance": 0.64746
}

Semantic roles & 50–950 ramp

primary
#66E6DF
secondary
#B53C42
accent
#121CD4
background
#FCFFFE
surface
#F6FEFC
border
#D0D6D5
text
#0F1616
muted
#808584

Preview Lab

Preview with #66E6DF

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

Preview Lab → · Contrast checker → · Palette generator →

#66E6DF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva