#66DFD5#66DFD5

#66DFD5 is a very light, moderate teal. Relative luminance 0.604; OKLCH L 83.2% C 0.110 H 188.0°. Best body text is #000000 at 13.08:1 contrast (WCAG AA passes).

Color values

HEX#66DFD5
RGBrgb(102, 223, 213)
HSLhsl(175, 65%, 64%)
HSVhsv(175, 54%, 87%)
CMYKcmyk(54.3%, 0%, 4.5%, 12.5%)
CIE-LABlab(82.06, -36.24, -5.41)
CIE-LCHlch(82.06, 36.64, 188.49°)
OKLaboklab(83.19% -0.1086 -0.0152)
OKLCHoklch(83.19% 0.11 188)
XYZxyz(43.8722, 60.4000, 72.2842)
Luminance0.6040 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66DFD5 #DF6670
analogous
#66DF98 #66DFD5 #66ACDF
triadic
#66DFD5 #D566DF #DFD566
tetradic
#66DFD5 #9866DF #DF6670 #ACDF66
square
#66DFD5 #9866DF #DF6670 #ACDF66
split-complementary
#66DFD5 #DF66AC #DF9866
monochromatic
#23A89D #33D4C7 #66DFD5 #99EAE3 #CBF4F1

Accessibility & contrast

On white

1.61
#66DFD5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.08
#66DFD5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DFD5
13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66DFD5#FFFFFF#000000##000000
##66DFD51.001.6113.0813.08
#FFFFFF1.611.0021.0021.00
#00000013.0821.001.001.00
##00000013.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#D4D4D5
Deuteranopia (green-blind)
#C1C6D6
Tritanopia (blue-blind)
#00E4DC
Achromatopsia (no color)
#CCCCCC

Design tokens & code

CSS
--color: #66dfd5;
/* rgb */ color: rgb(102, 223, 213);
/* oklch */ color: oklch(83.2% 0.110 188.0);
Tailwind
colors: {
  custom: {
    50: '#9ce9e1',
    500: '#66dfd5',
    950: '#000000',
  },
}
SCSS
$custom: #66dfd5;
$custom-light: #9ce9e1;
$custom-dark: #000000;
JSON
{
  "hex": "#66dfd5",
  "rgb": {
    "r": 102,
    "g": 223,
    "b": 213
  },
  "hsl": {
    "h": 175.041,
    "s": 65.405,
    "l": 63.725
  },
  "oklch": {
    "l": 0.83189,
    "c": 0.10969,
    "h": 188
  },
  "luminance": 0.60404
}

Semantic roles & 50–950 ramp

primary
#66DFD5
secondary
#AA3F48
accent
#1827CD
background
#FCFEFE
surface
#F6FDFC
border
#D0D5D5
text
#0F1615
muted
#808484

Preview Lab

Preview with #66DFD5

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

Preview Lab → · Contrast checker → · Palette generator →

#66DFD5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva