#66F3FC#66F3FC

#66F3FC is a very light, vivid teal. Relative luminance 0.740; OKLCH L 89.1% C 0.121 H 201.1°. Best body text is #000000 at 15.79:1 contrast (WCAG AA passes).

Color values

HEX	#66F3FC
RGB	rgb(102, 243, 252)
HSL	hsl(184, 96%, 69%)
HSV	hsv(184, 60%, 99%)
CMYK	cmyk(59.5%, 3.6%, 0%, 1.2%)
CIE-LAB	lab(88.90, -35.26, -15.76)
CIE-LCH	lch(88.90, 38.62, 204.08°)
OKLab	oklab(89.09% -0.1132 -0.0436)
OKLCH	oklch(89.09% 0.121 201.1)
XYZ	xyz(55.0933, 73.9485, 103.4466)
Luminance	0.7395 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F3FC #FC6F66

analogous

#66FCBA #66F3FC #66A8FC

triadic

#66F3FC #FC66F3 #F3FC66

tetradic

#66F3FC #BA66FC #FC6F66 #A8FC66

square

#66F3FC #BA66FC #FC6F66 #A8FC66

split-complementary

#66F3FC #FC66A8 #FCBA66

monochromatic

#04D6E3 #2AEEFB #66F3FC #A2F8FD #DEFCFE

Accessibility & contrast

On white

1.33

#66F3FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.79

#66F3FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F3FC

15.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F3FC	#FFFFFF	#000000	##000000
##66F3FC	1.00	1.33	15.79	15.79
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.79	21.00	1.00	1.00
##000000	15.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2E9FD

Deuteranopia (green-blind)

#CBD8FD

Tritanopia (blue-blind)

#00FBF5

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #66f3fc;
/* rgb */ color: rgb(102, 243, 252);
/* oklch */ color: oklch(89.1% 0.121 201.1);

Tailwind

colors: {
  custom: {
    50: '#a0f7fd',
    500: '#66f3fc',
    950: '#000000',
  },
}

SCSS

$custom: #66f3fc;
$custom-light: #a0f7fd;
$custom-dark: #000000;

JSON

{
  "hex": "#66f3fc",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 252
  },
  "hsl": {
    "h": 183.6,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.8909,
    "c": 0.12135,
    "h": 201.1
  },
  "luminance": 0.73954
}

Semantic roles & 50–950 ramp

primary

#66F3FC

secondary

#D63A30

accent

#0E00E6

background

#FDFFFF

surface

#F7FFFF

border

#D0D7D7

text

#101717

muted

#818585

Preview Lab

Preview with #66F3FC

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

Preview Lab → · Contrast checker → · Palette generator →