#66E6EB#66E6EB

#66E6EB is a very light, moderate teal. Relative luminance 0.654; OKLCH L 85.5% C 0.113 H 198.8°. Best body text is #000000 at 14.08:1 contrast (WCAG AA passes).

Color values

HEX#66E6EB
RGBrgb(102, 230, 235)
HSLhsl(182, 77%, 66%)
HSVhsv(182, 57%, 92%)
CMYKcmyk(56.6%, 2.1%, 0%, 7.8%)
CIE-LABlab(84.70, -33.75, -13.13)
CIE-LCHlch(84.70, 36.22, 201.26°)
OKLaboklab(85.53% -0.1068 -0.0363)
OKLCHoklch(85.53% 0.113 198.8)
XYZxyz(48.7654, 65.4117, 88.6369)
Luminance0.6542 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E6EB #EB6B66
analogous
#66EBAD #66E6EB #66A3EB
triadic
#66E6EB #EB66E6 #E6EB66
tetradic
#66E6EB #AD66EB #EB6B66 #A3EB66
square
#66E6EB #AD66EB #EB6B66 #A3EB66
split-complementary
#66E6EB #EB66A3 #EBAD66
monochromatic
#19B8BE #30DDE4 #66E6EB #9CEFF2 #D2F8F9

Accessibility & contrast

On white

1.49
#66E6EB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.08
#66E6EB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E6EB
14.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E6EB#FFFFFF#000000##000000
##66E6EB1.001.4914.0814.08
#FFFFFF1.491.0021.0021.00
#00000014.0821.001.001.00
##00000014.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#D7DDEC
Deuteranopia (green-blind)
#C2CDEC
Tritanopia (blue-blind)
#00EDE7
Achromatopsia (no color)
#D3D3D3

Design tokens & code

CSS
--color: #66e6eb;
/* rgb */ color: rgb(102, 230, 235);
/* oklch */ color: oklch(85.5% 0.113 198.8);
Tailwind
colors: {
  custom: {
    50: '#9eeef1',
    500: '#66e6eb',
    950: '#000000',
  },
}
SCSS
$custom: #66e6eb;
$custom-light: #9eeef1;
$custom-dark: #000000;
JSON
{
  "hex": "#66e6eb",
  "rgb": {
    "r": 102,
    "g": 230,
    "b": 235
  },
  "hsl": {
    "h": 182.256,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.85531,
    "c": 0.11283,
    "h": 198.8
  },
  "luminance": 0.65417
}

Semantic roles & 50–950 ramp

primary
#66E6EB
secondary
#BD3E39
accent
#140CD9
background
#FCFFFF
surface
#F6FEFE
border
#D0D6D6
text
#101616
muted
#808585

Preview Lab

Preview with #66E6EB

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

Preview Lab → · Contrast checker → · Palette generator →

#66E6EB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva