#66BBBC#66BBBC

#66BBBC is a light, moderate teal. Relative luminance 0.420; OKLCH L 73.9% C 0.083 H 196.5°. Best body text is #000000 at 9.40:1 contrast (WCAG AA passes).

Color values

HEX#66BBBC
RGBrgb(102, 187, 188)
HSLhsl(181, 39%, 57%)
HSVhsv(181, 46%, 74%)
CMYKcmyk(45.7%, 0.5%, 0%, 26.3%)
CIE-LABlab(70.87, -25.42, -8.51)
CIE-LCHlch(70.87, 26.81, 198.51°)
OKLaboklab(73.93% -0.0792 -0.0235)
OKLCHoklch(73.93% 0.083 196.5)
XYZxyz(32.3233, 41.9936, 53.9694)
Luminance0.4200 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66BBBC #BC6766
analogous
#66BC92 #66BBBC #6690BC
triadic
#66BBBC #BC66BB #BBBC66
tetradic
#66BBBC #9266BC #BC6766 #90BC66
square
#66BBBC #9266BC #BC6766 #90BC66
split-complementary
#66BBBC #BC6690 #BC9266
monochromatic
#337475 #469E9F #66BBBC #91CECF #BBE1E1

Accessibility & contrast

On white

2.23
#66BBBC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.40
#66BBBC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BBBC
9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66BBBC#FFFFFF#000000##000000
##66BBBC1.002.239.409.40
#FFFFFF2.231.0021.0021.00
#0000009.4021.001.001.00
##0000009.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#B1B4BC
Deuteranopia (green-blind)
#A2A9BD
Tritanopia (blue-blind)
#37C0BB
Achromatopsia (no color)
#ADADAD

Design tokens & code

CSS
--color: #66bbbc;
/* rgb */ color: rgb(102, 187, 188);
/* oklch */ color: oklch(73.9% 0.083 196.5);
Tailwind
colors: {
  custom: {
    50: '#98cfd0',
    500: '#66bbbc',
    950: '#000000',
  },
}
SCSS
$custom: #66bbbc;
$custom-light: #98cfd0;
$custom-dark: #000000;
JSON
{
  "hex": "#66bbbc",
  "rgb": {
    "r": 102,
    "g": 187,
    "b": 188
  },
  "hsl": {
    "h": 180.698,
    "s": 39.091,
    "l": 56.863
  },
  "oklch": {
    "l": 0.73928,
    "c": 0.08262,
    "h": 196.5
  },
  "luminance": 0.41996
}

Semantic roles & 50–950 ramp

primary
#66BBBC
secondary
#D0AEAD
accent
#5A59CF
background
#F9FCFC
surface
#F2F9F9
border
#CCD2D2
text
#0E1414
muted
#7E8282

Preview Lab

Preview with #66BBBC

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

Preview Lab → · Contrast checker → · Palette generator →

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