#66F8F4#66F8F4

#66F8F4 is a very light, vivid teal. Relative luminance 0.765; OKLCH L 90.0% C 0.125 H 192.6°. Best body text is #000000 at 16.30:1 contrast (WCAG AA passes).

Color values

HEX	#66F8F4
RGB	rgb(102, 248, 244)
HSL	hsl(178, 91%, 69%)
HSV	hsv(178, 59%, 97%)
CMYK	cmyk(58.9%, 0%, 1.6%, 2.7%)
CIE-LAB	lab(90.08, -39.67, -9.81)
CIE-LCH	lch(90.08, 40.87, 193.89°)
OKLab	oklab(89.97% -0.1215 -0.0273)
OKLCH	oklch(89.97% 0.125 192.6)
XYZ	xyz(55.3689, 76.4855, 97.4156)
Luminance	0.7649 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F8F4 #F8666A

analogous

#66F8AB #66F8F4 #66B3F8

triadic

#66F8F4 #F466F8 #F8F466

tetradic

#66F8F4 #AB66F8 #F8666A #B3F866

square

#66F8F4 #AB66F8 #F8666A #B3F866

split-complementary

#66F8F4 #F866B3 #F8AB66

monochromatic

#0ADAD4 #2BF5F0 #66F8F4 #A1FBF8 #DBFDFC

Accessibility & contrast

On white

1.29

#66F8F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.30

#66F8F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F8F4

16.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F8F4	#FFFFFF	#000000	##000000
##66F8F4	1.00	1.29	16.30	16.30
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.30	21.00	1.00	1.00
##000000	16.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAEDF4

Deuteranopia (green-blind)

#D3DBF5

Tritanopia (blue-blind)

#00FFF6

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #66f8f4;
/* rgb */ color: rgb(102, 248, 244);
/* oklch */ color: oklch(90.0% 0.125 192.6);

Tailwind

colors: {
  custom: {
    50: '#a0fbf7',
    500: '#66f8f4',
    950: '#000000',
  },
}

SCSS

$custom: #66f8f4;
$custom-light: #a0fbf7;
$custom-dark: #000000;

JSON

{
  "hex": "#66f8f4",
  "rgb": {
    "r": 102,
    "g": 248,
    "b": 244
  },
  "hsl": {
    "h": 178.356,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.89972,
    "c": 0.12457,
    "h": 192.6
  },
  "luminance": 0.76491
}

Semantic roles & 50–950 ramp

primary

#66F8F4

secondary

#D23135

accent

#0006E6

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101717

muted

#818585

Preview Lab

Preview with #66F8F4

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

Preview Lab → · Contrast checker → · Palette generator →