#66DFFC#66DFFC

#66DFFC is a very light, moderate cyan. Relative luminance 0.626; OKLCH L 84.5% C 0.115 H 216.0°. Best body text is #000000 at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#66DFFC
RGB	rgb(102, 223, 252)
HSL	hsl(192, 96%, 69%)
HSV	hsv(192, 60%, 99%)
CMYK	cmyk(59.5%, 11.5%, 0%, 1.2%)
CIE-LAB	lab(83.24, -25.69, -24.30)
CIE-LCH	lch(83.24, 35.36, 223.41°)
OKLab	oklab(84.54% -0.0929 -0.0675)
OKLCH	oklch(84.54% 0.115 216)
XYZ	xyz(49.4308, 62.6234, 101.5591)
Luminance	0.6263 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DFFC #FC8366

analogous

#66FCCE #66DFFC #6694FC

triadic

#66DFFC #FC66DF #DFFC66

tetradic

#66DFFC #CE66FC #FC8366 #94FC66

square

#66DFFC #CE66FC #FC8366 #94FC66

split-complementary

#66DFFC #FC6694 #FCCE66

monochromatic

#04B8E3 #2AD2FB #66DFFC #A2ECFD #DEF8FE

Accessibility & contrast

On white

1.55

#66DFFC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.53

#66DFFC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DFFC

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DFFC	#FFFFFF	#000000	##000000
##66DFFC	1.00	1.55	13.53	13.53
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.53	21.00	1.00	1.00
##000000	13.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBD9FE

Deuteranopia (green-blind)

#B5C8FC

Tritanopia (blue-blind)

#00EAE8

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #66dffc;
/* rgb */ color: rgb(102, 223, 252);
/* oklch */ color: oklch(84.5% 0.115 216.0);

Tailwind

colors: {
  custom: {
    50: '#9fe9fd',
    500: '#66dffc',
    950: '#000000',
  },
}

SCSS

$custom: #66dffc;
$custom-light: #9fe9fd;
$custom-dark: #000000;

JSON

{
  "hex": "#66dffc",
  "rgb": {
    "r": 102,
    "g": 223,
    "b": 252
  },
  "hsl": {
    "h": 191.6,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.84541,
    "c": 0.11482,
    "h": 216
  },
  "luminance": 0.62628
}

Semantic roles & 50–950 ramp

primary

#66DFFC

secondary

#D65030

accent

#2C00E6

background

#FDFEFF

surface

#F7FDFF

border

#D0D5D7

text

#101617

muted

#818485

Preview Lab

Preview with #66DFFC

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

Preview Lab → · Contrast checker → · Palette generator →