#66F3FB#66F3FB

#66F3FB is a very light, vivid teal. Relative luminance 0.739; OKLCH L 89.1% C 0.121 H 200.4°. Best body text is #000000 at 15.78:1 contrast (WCAG AA passes).

Color values

HEX	#66F3FB
RGB	rgb(102, 243, 251)
HSL	hsl(183, 95%, 69%)
HSV	hsv(183, 59%, 98%)
CMYK	cmyk(59.4%, 3.2%, 0%, 1.6%)
CIE-LAB	lab(88.87, -35.53, -15.28)
CIE-LCH	lch(88.87, 38.67, 203.27°)
OKLab	oklab(89.06% -0.1136 -0.0423)
OKLCH	oklch(89.06% 0.121 200.4)
XYZ	xyz(54.9352, 73.8853, 102.6142)
Luminance	0.7389 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F3FB #FB6E66

analogous

#66FBB8 #66F3FB #66A9FB

triadic

#66F3FB #FB66F3 #F3FB66

tetradic

#66F3FB #B866FB #FB6E66 #A9FB66

square

#66F3FB #B866FB #FB6E66 #A9FB66

split-complementary

#66F3FB #FB66A9 #FBB866

monochromatic

#06D5E1 #2AEEF9 #66F3FB #A2F8FD #DDFCFE

Accessibility & contrast

On white

1.33

#66F3FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.78

#66F3FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F3FB

15.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F3FB	#FFFFFF	#000000	##000000
##66F3FB	1.00	1.33	15.78	15.78
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.78	21.00	1.00	1.00
##000000	15.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3E9FC

Deuteranopia (green-blind)

#CBD8FC

Tritanopia (blue-blind)

#00FBF5

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #66f3fb;
/* rgb */ color: rgb(102, 243, 251);
/* oklch */ color: oklch(89.1% 0.121 200.4);

Tailwind

colors: {
  custom: {
    50: '#a0f7fc',
    500: '#66f3fb',
    950: '#000000',
  },
}

SCSS

$custom: #66f3fb;
$custom-light: #a0f7fc;
$custom-dark: #000000;

JSON

{
  "hex": "#66f3fb",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 251
  },
  "hsl": {
    "h": 183.221,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.89056,
    "c": 0.12126,
    "h": 200.4
  },
  "luminance": 0.73891
}

Semantic roles & 50–950 ramp

primary

#66F3FB

secondary

#D53930

accent

#0C00E6

background

#FDFFFF

surface

#F7FFFF

border

#D0D7D7

text

#101717

muted

#818585

Preview Lab

Preview with #66F3FB

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

Preview Lab → · Contrast checker → · Palette generator →