#66FBFF#66FBFF

#66FBFF is a very light, vivid teal. Relative luminance 0.790; OKLCH L 91.0% C 0.126 H 197.7°. Best body text is #000000 at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#66FBFF
RGB	rgb(102, 251, 255)
HSL	hsl(182, 100%, 70%)
HSV	hsv(182, 60%, 100%)
CMYK	cmyk(60%, 1.6%, 0%, 0%)
CIE-LAB	lab(91.25, -38.14, -13.79)
CIE-LCH	lch(91.25, 40.56, 199.89°)
OKLab	oklab(91.02% -0.12 -0.0382)
OKLCH	oklch(91.02% 0.126 197.7)
XYZ	xyz(58.0189, 79.0330, 106.7856)
Luminance	0.7904 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FBFF #FF6A66

analogous

#66FFB7 #66FBFF #66AEFF

triadic

#66FBFF #FF66FB #FBFF66

tetradic

#66FBFF #B766FF #FF6A66 #AEFF66

square

#66FBFF #B766FF #FF6A66 #AEFF66

split-complementary

#66FBFF #FF66AE #FFB766

monochromatic

#00E4EB #29F9FF #66FBFF #A3FDFF #E0FEFF

Accessibility & contrast

On white

1.25

#66FBFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.81

#66FBFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FBFF

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FBFF	#FFFFFF	#000000	##000000
##66FBFF	1.00	1.25	16.81	16.81
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.81	21.00	1.00	1.00
##000000	16.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBF0FF

Deuteranopia (green-blind)

#D3DEFF

Tritanopia (blue-blind)

#00FFFC

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #66fbff;
/* rgb */ color: rgb(102, 251, 255);
/* oklch */ color: oklch(91.0% 0.126 197.7);

Tailwind

colors: {
  custom: {
    50: '#a1fdff',
    500: '#66fbff',
    950: '#000000',
  },
}

SCSS

$custom: #66fbff;
$custom-light: #a1fdff;
$custom-dark: #000000;

JSON

{
  "hex": "#66fbff",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 255
  },
  "hsl": {
    "h": 181.569,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.91018,
    "c": 0.12599,
    "h": 197.7
  },
  "luminance": 0.79039
}

Semantic roles & 50–950 ramp

primary

#66FBFF

secondary

#DA332F

accent

#0600E6

background

#FDFFFF

surface

#F7FFFF

border

#D0D7D7

text

#101718

muted

#818586

Preview Lab

Preview with #66FBFF

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

Preview Lab → · Contrast checker → · Palette generator →