#66F9FE#66F9FE

#66F9FE is a very light, vivid teal. Relative luminance 0.777; OKLCH L 90.5% C 0.125 H 198.3°. Best body text is #000000 at 16.55:1 contrast (WCAG AA passes).

Color values

HEX	#66F9FE
RGB	rgb(102, 249, 254)
HSL	hsl(182, 99%, 70%)
HSV	hsv(182, 60%, 100%)
CMYK	cmyk(59.8%, 2%, 0%, 0.4%)
CIE-LAB	lab(90.65, -37.49, -14.16)
CIE-LCH	lch(90.65, 40.08, 200.70°)
OKLab	oklab(90.53% -0.1185 -0.0392)
OKLCH	oklch(90.53% 0.125 198.3)
XYZ	xyz(57.2369, 77.7259, 105.7329)
Luminance	0.7773 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F9FE #FE6B66

analogous

#66FEB7 #66F9FE #66ADFE

triadic

#66F9FE #FE66F9 #F9FE66

tetradic

#66F9FE #B766FE #FE6B66 #ADFE66

square

#66F9FE #B766FE #FE6B66 #ADFE66

split-complementary

#66F9FE #FE66AD #FEB766

monochromatic

#02E0E8 #29F7FE #66F9FE #A3FBFE #E0FEFF

Accessibility & contrast

On white

1.27

#66F9FE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.55

#66F9FE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F9FE

16.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F9FE	#FFFFFF	#000000	##000000
##66F9FE	1.00	1.27	16.55	16.55
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.55	21.00	1.00	1.00
##000000	16.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9EEFF

Deuteranopia (green-blind)

#D1DDFF

Tritanopia (blue-blind)

#00FFFA

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #66f9fe;
/* rgb */ color: rgb(102, 249, 254);
/* oklch */ color: oklch(90.5% 0.125 198.3);

Tailwind

colors: {
  custom: {
    50: '#a1fbfe',
    500: '#66f9fe',
    950: '#000000',
  },
}

SCSS

$custom: #66f9fe;
$custom-light: #a1fbfe;
$custom-dark: #000000;

JSON

{
  "hex": "#66f9fe",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 254
  },
  "hsl": {
    "h": 181.974,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.90528,
    "c": 0.12479,
    "h": 198.3
  },
  "luminance": 0.77732
}

Semantic roles & 50–950 ramp

primary

#66F9FE

secondary

#D9352F

accent

#0800E6

background

#FDFFFF

surface

#F7FFFF

border

#D0D7D7

text

#101717

muted

#818585

Preview Lab

Preview with #66F9FE

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

Preview Lab → · Contrast checker → · Palette generator →