#66DFFE#66DFFE

#66DFFE is a very light, moderate cyan. Relative luminance 0.628; OKLCH L 84.6% C 0.116 H 217.3°. Best body text is #000000 at 13.55:1 contrast (WCAG AA passes).

Color values

HEX#66DFFE
RGBrgb(102, 223, 254)
HSLhsl(192, 99%, 70%)
HSVhsv(192, 60%, 100%)
CMYKcmyk(59.8%, 12.2%, 0%, 0.4%)
CIE-LABlab(83.31, -25.11, -25.26)
CIE-LCHlch(83.31, 35.62, 225.16°)
OKLaboklab(84.62% -0.0921 -0.0702)
OKLCHoklch(84.62% 0.116 217.3)
XYZxyz(49.7494, 62.7509, 103.2370)
Luminance0.6276 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66DFFE #FE8566
analogous
#66FED1 #66DFFE #6693FE
triadic
#66DFFE #FE66DF #DFFE66
tetradic
#66DFFE #D166FE #FE8566 #93FE66
square
#66DFFE #D166FE #FE8566 #93FE66
split-complementary
#66DFFE #FE6693 #FED166
monochromatic
#02B9E8 #29D2FE #66DFFE #A3ECFE #E0F8FF

Accessibility & contrast

On white

1.55
#66DFFE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.55
#66DFFE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DFFE
13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66DFFE#FFFFFF#000000##000000
##66DFFE1.001.5513.5513.55
#FFFFFF1.551.0021.0021.00
#00000013.5521.001.001.00
##00000013.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#CAD9FF
Deuteranopia (green-blind)
#B4C8FE
Tritanopia (blue-blind)
#00EAE9
Achromatopsia (no color)
#D0D0D0

Design tokens & code

CSS
--color: #66dffe;
/* rgb */ color: rgb(102, 223, 254);
/* oklch */ color: oklch(84.6% 0.116 217.3);
Tailwind
colors: {
  custom: {
    50: '#9fe9fe',
    500: '#66dffe',
    950: '#000000',
  },
}
SCSS
$custom: #66dffe;
$custom-light: #9fe9fe;
$custom-dark: #000000;
JSON
{
  "hex": "#66dffe",
  "rgb": {
    "r": 102,
    "g": 223,
    "b": 254
  },
  "hsl": {
    "h": 192.237,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.84617,
    "c": 0.11582,
    "h": 217.3
  },
  "luminance": 0.62756
}

Semantic roles & 50–950 ramp

primary
#66DFFE
secondary
#D9522F
accent
#2F00E6
background
#FDFEFF
surface
#F7FDFF
border
#D0D5D7
text
#101617
muted
#818485

Preview Lab

Preview with #66DFFE

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

Preview Lab → · Contrast checker → · Palette generator →

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