#66F0FE#66F0FE

#66F0FE is a very light, vivid teal. Relative luminance 0.723; OKLCH L 88.5% C 0.120 H 204.5°. Best body text is #000000 at 15.46:1 contrast (WCAG AA passes).

Color values

HEX	#66F0FE
RGB	rgb(102, 240, 254)
HSL	hsl(186, 99%, 70%)
HSV	hsv(186, 60%, 100%)
CMYK	cmyk(59.8%, 5.5%, 0%, 0.4%)
CIE-LAB	lab(88.11, -33.31, -17.98)
CIE-LCH	lch(88.11, 37.85, 208.37°)
OKLab	oklab(88.48% -0.1094 -0.0498)
OKLCH	oklch(88.48% 0.12 204.5)
XYZ	xyz(54.5214, 72.2950, 104.8277)
Luminance	0.7230 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F0FE #FE7466

analogous

#66FEC0 #66F0FE #66A4FE

triadic

#66F0FE #FE66F0 #F0FE66

tetradic

#66F0FE #C066FE #FE7466 #A4FE66

square

#66F0FE #C066FE #FE7466 #A4FE66

split-complementary

#66F0FE #FE66A4 #FEC066

monochromatic

#02D3E8 #29EAFE #66F0FE #A3F6FE #E0FCFF

Accessibility & contrast

On white

1.36

#66F0FE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.46

#66F0FE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F0FE

15.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F0FE	#FFFFFF	#000000	##000000
##66F0FE	1.00	1.36	15.46	15.46
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.46	21.00	1.00	1.00
##000000	15.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFE7FF

Deuteranopia (green-blind)

#C7D6FF

Tritanopia (blue-blind)

#00F9F4

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #66f0fe;
/* rgb */ color: rgb(102, 240, 254);
/* oklch */ color: oklch(88.5% 0.120 204.5);

Tailwind

colors: {
  custom: {
    50: '#a0f5fe',
    500: '#66f0fe',
    950: '#000000',
  },
}

SCSS

$custom: #66f0fe;
$custom-light: #a0f5fe;
$custom-dark: #000000;

JSON

{
  "hex": "#66f0fe",
  "rgb": {
    "r": 102,
    "g": 240,
    "b": 254
  },
  "hsl": {
    "h": 185.526,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.88475,
    "c": 0.12022,
    "h": 204.5
  },
  "luminance": 0.72301
}

Semantic roles & 50–950 ramp

primary

#66F0FE

secondary

#D93F2F

accent

#1500E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101717

muted

#818585

Preview Lab

Preview with #66F0FE

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

Preview Lab → · Contrast checker → · Palette generator →