#66DFE4#66DFE4

#66DFE4 is a very light, moderate teal. Relative luminance 0.612; OKLCH L 83.7% C 0.108 H 199.0°. Best body text is #000000 at 13.24:1 contrast (WCAG AA passes).

Color values

HEX#66DFE4
RGBrgb(102, 223, 228)
HSLhsl(182, 70%, 65%)
HSVhsv(182, 55%, 89%)
CMYKcmyk(55.3%, 2.2%, 0%, 10.6%)
CIE-LABlab(82.48, -32.32, -12.74)
CIE-LCHlch(82.48, 34.74, 201.50°)
OKLaboklab(83.68% -0.1024 -0.0352)
OKLCHoklch(83.68% 0.108 199)
XYZxyz(45.8649, 61.1971, 82.7789)
Luminance0.6120 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66DFE4 #E46B66
analogous
#66E4AA #66DFE4 #66A0E4
triadic
#66DFE4 #E466DF #DFE466
tetradic
#66DFE4 #AA66E4 #E46B66 #A0E466
square
#66DFE4 #AA66E4 #E46B66 #A0E466
split-complementary
#66DFE4 #E466A0 #E4AA66
monochromatic
#1FABB0 #32D4DB #66DFE4 #9AEAED #CEF5F6

Accessibility & contrast

On white

1.59
#66DFE4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.24
#66DFE4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DFE4
13.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66DFE4#FFFFFF#000000##000000
##66DFE41.001.5913.2413.24
#FFFFFF1.591.0021.0021.00
#00000013.2421.001.001.00
##00000013.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#D1D6E5
Deuteranopia (green-blind)
#BDC7E5
Tritanopia (blue-blind)
#00E6E0
Achromatopsia (no color)
#CDCDCD

Design tokens & code

CSS
--color: #66dfe4;
/* rgb */ color: rgb(102, 223, 228);
/* oklch */ color: oklch(83.7% 0.108 199.0);
Tailwind
colors: {
  custom: {
    50: '#9de9ec',
    500: '#66dfe4',
    950: '#000000',
  },
}
SCSS
$custom: #66dfe4;
$custom-light: #9de9ec;
$custom-dark: #000000;
JSON
{
  "hex": "#66dfe4",
  "rgb": {
    "r": 102,
    "g": 223,
    "b": 228
  },
  "hsl": {
    "h": 182.381,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.83678,
    "c": 0.10825,
    "h": 199
  },
  "luminance": 0.61202
}

Semantic roles & 50–950 ramp

primary
#66DFE4
secondary
#B1413D
accent
#1B14D2
background
#FCFEFE
surface
#F6FDFD
border
#D0D5D5
text
#0F1616
muted
#808484

Preview Lab

Preview with #66DFE4

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

Preview Lab → · Contrast checker → · Palette generator →

#66DFE4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva