#66F9F8#66F9F8

#66F9F8 is a very light, vivid teal. Relative luminance 0.774; OKLCH L 90.3% C 0.125 H 194.5°. Best body text is #000000 at 16.47:1 contrast (WCAG AA passes).

Color values

HEX	#66F9F8
RGB	rgb(102, 249, 248)
HSL	hsl(180, 92%, 69%)
HSV	hsv(180, 59%, 98%)
CMYK	cmyk(59%, 0%, 0.4%, 2.4%)
CIE-LAB	lab(90.48, -39.08, -11.30)
CIE-LCH	lch(90.48, 40.68, 196.13°)
OKLab	oklab(90.33% -0.1209 -0.0314)
OKLCH	oklch(90.33% 0.125 194.5)
XYZ	xyz(56.2911, 77.3475, 100.7517)
Luminance	0.7735 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F9F8 #F96667

analogous

#66F9AF #66F9F8 #66B1F9

triadic

#66F9F8 #F866F9 #F9F866

tetradic

#66F9F8 #AF66F9 #F96667 #B1F966

square

#66F9F8 #AF66F9 #F96667 #B1F966

split-complementary

#66F9F8 #F966B1 #F9AF66

monochromatic

#09DCDB #2BF7F5 #66F9F8 #A1FBFB #DCFEFD

Accessibility & contrast

On white

1.27

#66F9F8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.47

#66F9F8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F9F8

16.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F9F8	#FFFFFF	#000000	##000000
##66F9F8	1.00	1.27	16.47	16.47
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.47	21.00	1.00	1.00
##000000	16.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAEEF8

Deuteranopia (green-blind)

#D3DCF9

Tritanopia (blue-blind)

#00FFF8

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #66f9f8;
/* rgb */ color: rgb(102, 249, 248);
/* oklch */ color: oklch(90.3% 0.125 194.5);

Tailwind

colors: {
  custom: {
    50: '#a1fbfa',
    500: '#66f9f8',
    950: '#000000',
  },
}

SCSS

$custom: #66f9f8;
$custom-light: #a1fbfa;
$custom-dark: #000000;

JSON

{
  "hex": "#66f9f8",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 248
  },
  "hsl": {
    "h": 179.592,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.9033,
    "c": 0.12491,
    "h": 194.5
  },
  "luminance": 0.77353
}

Semantic roles & 50–950 ramp

primary

#66F9F8

secondary

#D33032

accent

#0002E6

background

#FDFFFF

surface

#F7FFFF

border

#D0D7D7

text

#101717

muted

#818585

Preview Lab

Preview with #66F9F8

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

Preview Lab → · Contrast checker → · Palette generator →