#66FDF6#66FDF6

#66FDF6 is a very light, vivid teal. Relative luminance 0.797; OKLCH L 91.2% C 0.128 H 190.9°. Best body text is #000000 at 16.95:1 contrast (WCAG AA passes).

Color values

HEX	#66FDF6
RGB	rgb(102, 253, 246)
HSL	hsl(177, 97%, 70%)
HSV	hsv(177, 60%, 99%)
CMYK	cmyk(59.7%, 0%, 2.8%, 0.8%)
CIE-LAB	lab(91.56, -41.40, -8.66)
CIE-LCH	lch(91.56, 42.30, 191.81°)
OKLab	oklab(91.19% -0.1257 -0.0241)
OKLCH	oklch(91.19% 0.128 190.9)
XYZ	xyz(57.2320, 79.7231, 99.5428)
Luminance	0.7973 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FDF6 #FD666D

analogous

#66FDAB #66FDF6 #66B8FD

triadic

#66FDF6 #F666FD #FDF666

tetradic

#66FDF6 #AB66FD #FD666D #B8FD66

square

#66FDF6 #AB66FD #FD666D #B8FD66

split-complementary

#66FDF6 #FD66B8 #FDAB66

monochromatic

#03E6DB #2AFCF2 #66FDF6 #A2FEFA #DFFFFD

Accessibility & contrast

On white

1.24

#66FDF6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.95

#66FDF6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDF6

16.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FDF6	#FFFFFF	#000000	##000000
##66FDF6	1.00	1.24	16.95	16.95
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.95	21.00	1.00	1.00
##000000	16.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFF1F6

Deuteranopia (green-blind)

#D8DFF7

Tritanopia (blue-blind)

#00FFFA

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #66fdf6;
/* rgb */ color: rgb(102, 253, 246);
/* oklch */ color: oklch(91.2% 0.128 190.9);

Tailwind

colors: {
  custom: {
    50: '#a1fef9',
    500: '#66fdf6',
    950: '#000000',
  },
}

SCSS

$custom: #66fdf6;
$custom-light: #a1fef9;
$custom-dark: #000000;

JSON

{
  "hex": "#66fdf6",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 246
  },
  "hsl": {
    "h": 177.219,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.91185,
    "c": 0.12805,
    "h": 190.9
  },
  "luminance": 0.79729
}

Semantic roles & 50–950 ramp

primary

#66FDF6

secondary

#D82F37

accent

#000BE6

background

#FDFFFF

surface

#F7FFFF

border

#D0D7D7

text

#101817

muted

#818685

Preview Lab

Preview with #66FDF6

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

Preview Lab → · Contrast checker → · Palette generator →