#66FCFF#66FCFF

#66FCFF is a very light, vivid teal. Relative luminance 0.797; OKLCH L 91.2% C 0.127 H 197.0°. Best body text is #000000 at 16.93:1 contrast (WCAG AA passes).

Color values

HEX	#66FCFF
RGB	rgb(102, 252, 255)
HSL	hsl(181, 100%, 70%)
HSV	hsv(181, 60%, 100%)
CMYK	cmyk(60%, 1.2%, 0%, 0%)
CIE-LAB	lab(91.53, -38.59, -13.37)
CIE-LCH	lch(91.53, 40.84, 199.11°)
OKLab	oklab(91.25% -0.121 -0.0371)
OKLCH	oklch(91.25% 0.127 197)
XYZ	xyz(58.3321, 79.6594, 106.8900)
Luminance	0.7967 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FCFF #FF6966

analogous

#66FFB5 #66FCFF #66B0FF

triadic

#66FCFF #FF66FC #FCFF66

tetradic

#66FCFF #B566FF #FF6966 #B0FF66

square

#66FCFF #B566FF #FF6966 #B0FF66

split-complementary

#66FCFF #FF66B0 #FFB566

monochromatic

#00E6EB #29FBFF #66FCFF #A3FDFF #E0FEFF

Accessibility & contrast

On white

1.24

#66FCFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.93

#66FCFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FCFF

16.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FCFF	#FFFFFF	#000000	##000000
##66FCFF	1.00	1.24	16.93	16.93
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.93	21.00	1.00	1.00
##000000	16.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECF1FF

Deuteranopia (green-blind)

#D4DFFF

Tritanopia (blue-blind)

#00FFFC

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #66fcff;
/* rgb */ color: rgb(102, 252, 255);
/* oklch */ color: oklch(91.2% 0.127 197.0);

Tailwind

colors: {
  custom: {
    50: '#a1feff',
    500: '#66fcff',
    950: '#000000',
  },
}

SCSS

$custom: #66fcff;
$custom-light: #a1feff;
$custom-dark: #000000;

JSON

{
  "hex": "#66fcff",
  "rgb": {
    "r": 102,
    "g": 252,
    "b": 255
  },
  "hsl": {
    "h": 181.176,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.91247,
    "c": 0.1266,
    "h": 197
  },
  "luminance": 0.79666
}

Semantic roles & 50–950 ramp

primary

#66FCFF

secondary

#DA322F

accent

#0400E6

background

#FDFFFF

surface

#F7FFFF

border

#D0D7D7

text

#101818

muted

#818686

Preview Lab

Preview with #66FCFF

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

Preview Lab → · Contrast checker → · Palette generator →