#66F8FC#66F8FC

#66F8FC is a very light, vivid teal. Relative luminance 0.770; OKLCH L 90.2% C 0.124 H 197.7°. Best body text is #000000 at 16.40:1 contrast (WCAG AA passes).

Color values

HEX	#66F8FC
RGB	rgb(102, 248, 252)
HSL	hsl(182, 96%, 69%)
HSV	hsv(182, 60%, 99%)
CMYK	cmyk(59.5%, 1.6%, 0%, 1.2%)
CIE-LAB	lab(90.31, -37.56, -13.64)
CIE-LCH	lch(90.31, 39.96, 199.95°)
OKLab	oklab(90.23% -0.1183 -0.0378)
OKLCH	oklch(90.23% 0.124 197.7)
XYZ	xyz(56.6100, 76.9819, 103.9522)
Luminance	0.7699 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F8FC #FC6A66

analogous

#66FCB5 #66F8FC #66ADFC

triadic

#66F8FC #FC66F8 #F8FC66

tetradic

#66F8FC #B566FC #FC6A66 #ADFC66

square

#66F8FC #B566FC #FC6A66 #ADFC66

split-complementary

#66F8FC #FC66AD #FCB566

monochromatic

#04DDE3 #2AF5FB #66F8FC #A2FBFD #DEFDFE

Accessibility & contrast

On white

1.28

#66F8FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.40

#66F8FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F8FC

16.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F8FC	#FFFFFF	#000000	##000000
##66F8FC	1.00	1.28	16.40	16.40
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.40	21.00	1.00	1.00
##000000	16.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8EDFD

Deuteranopia (green-blind)

#D1DCFD

Tritanopia (blue-blind)

#00FFF9

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #66f8fc;
/* rgb */ color: rgb(102, 248, 252);
/* oklch */ color: oklch(90.2% 0.124 197.7);

Tailwind

colors: {
  custom: {
    50: '#a1fbfd',
    500: '#66f8fc',
    950: '#000000',
  },
}

SCSS

$custom: #66f8fc;
$custom-light: #a1fbfd;
$custom-dark: #000000;

JSON

{
  "hex": "#66f8fc",
  "rgb": {
    "r": 102,
    "g": 248,
    "b": 252
  },
  "hsl": {
    "h": 181.6,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.90233,
    "c": 0.12415,
    "h": 197.7
  },
  "luminance": 0.76988
}

Semantic roles & 50–950 ramp

primary

#66F8FC

secondary

#D63430

accent

#0600E6

background

#FDFFFF

surface

#F7FFFF

border

#D0D7D7

text

#101717

muted

#818585

Preview Lab

Preview with #66F8FC

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

Preview Lab → · Contrast checker → · Palette generator →