#66FDF8#66FDF8

#66FDF8 is a very light, vivid teal. Relative luminance 0.799; OKLCH L 91.2% C 0.128 H 192.1°. Best body text is #000000 at 16.97:1 contrast (WCAG AA passes).

Color values

HEX	#66FDF8
RGB	rgb(102, 253, 248)
HSL	hsl(178, 97%, 70%)
HSV	hsv(178, 60%, 99%)
CMYK	cmyk(59.7%, 0%, 2%, 0.8%)
CIE-LAB	lab(91.62, -40.89, -9.62)
CIE-LCH	lch(91.62, 42.00, 193.23°)
OKLab	oklab(91.25% -0.1249 -0.0267)
OKLCH	oklch(91.25% 0.128 192.1)
XYZ	xyz(57.5406, 79.8466, 101.1682)
Luminance	0.7985 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FDF8 #FD666B

analogous

#66FDAC #66FDF8 #66B7FD

triadic

#66FDF8 #F866FD #FDF866

tetradic

#66FDF8 #AC66FD #FD666B #B7FD66

square

#66FDF8 #AC66FD #FD666B #B7FD66

split-complementary

#66FDF8 #FD66B7 #FDAC66

monochromatic

#03E6DE #2AFCF5 #66FDF8 #A2FEFB #DFFFFE

Accessibility & contrast

On white

1.24

#66FDF8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.97

#66FDF8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDF8

16.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FDF8	#FFFFFF	#000000	##000000
##66FDF8	1.00	1.24	16.97	16.97
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.97	21.00	1.00	1.00
##000000	16.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFF1F8

Deuteranopia (green-blind)

#D7E0F9

Tritanopia (blue-blind)

#00FFFB

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #66fdf8;
/* rgb */ color: rgb(102, 253, 248);
/* oklch */ color: oklch(91.2% 0.128 192.1);

Tailwind

colors: {
  custom: {
    50: '#a1fefa',
    500: '#66fdf8',
    950: '#000000',
  },
}

SCSS

$custom: #66fdf8;
$custom-light: #a1fefa;
$custom-dark: #000000;

JSON

{
  "hex": "#66fdf8",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 248
  },
  "hsl": {
    "h": 178.013,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.91249,
    "c": 0.12775,
    "h": 192.1
  },
  "luminance": 0.79853
}

Semantic roles & 50–950 ramp

primary

#66FDF8

secondary

#D82F35

accent

#0008E6

background

#FDFFFF

surface

#F7FFFF

border

#D0D7D7

text

#101817

muted

#818685

Preview Lab

Preview with #66FDF8

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

Preview Lab → · Contrast checker → · Palette generator →