#66F4E4#66F4E4

#66F4E4 is a very light, vivid teal. Relative luminance 0.731; OKLCH L 88.5% C 0.125 H 185.0°. Best body text is #000000 at 15.63:1 contrast (WCAG AA passes).

Color values

HEX	#66F4E4
RGB	rgb(102, 244, 228)
HSL	hsl(173, 87%, 68%)
HSV	hsv(173, 58%, 96%)
CMYK	cmyk(58.2%, 0%, 6.6%, 4.3%)
CIE-LAB	lab(88.51, -41.97, -3.80)
CIE-LCH	lch(88.51, 42.14, 185.18°)
OKLab	oklab(88.55% -0.1242 -0.0109)
OKLCH	oklch(88.55% 0.125 185)
XYZ	xyz(51.8275, 73.1223, 84.7664)
Luminance	0.7313 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F4E4 #F46676

analogous

#66F49D #66F4E4 #66BDF4

triadic

#66F4E4 #E466F4 #F4E466

tetradic

#66F4E4 #9D66F4 #F46676 #BDF466

square

#66F4E4 #9D66F4 #F46676 #BDF466

split-complementary

#66F4E4 #F466BD #F49D66

monochromatic

#0FD1BB #2DF0DA #66F4E4 #9FF8EE #D8FCF8

Accessibility & contrast

On white

1.34

#66F4E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.63

#66F4E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F4E4

15.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F4E4	#FFFFFF	#000000	##000000
##66F4E4	1.00	1.34	15.63	15.63
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.63	21.00	1.00	1.00
##000000	15.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9E8E4

Deuteranopia (green-blind)

#D3D7E6

Tritanopia (blue-blind)

#00F9EF

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #66f4e4;
/* rgb */ color: rgb(102, 244, 228);
/* oklch */ color: oklch(88.5% 0.125 185.0);

Tailwind

colors: {
  custom: {
    50: '#9ff8ec',
    500: '#66f4e4',
    950: '#000000',
  },
}

SCSS

$custom: #66f4e4;
$custom-light: #9ff8ec;
$custom-dark: #000000;

JSON

{
  "hex": "#66f4e4",
  "rgb": {
    "r": 102,
    "g": 244,
    "b": 228
  },
  "hsl": {
    "h": 173.239,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.88548,
    "c": 0.12468,
    "h": 185
  },
  "luminance": 0.73128
}

Semantic roles & 50–950 ramp

primary

#66F4E4

secondary

#CC3243

accent

#021CE3

background

#FDFFFE

surface

#F7FFFD

border

#D0D7D5

text

#101716

muted

#818584

Preview Lab

Preview with #66F4E4

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

Preview Lab → · Contrast checker → · Palette generator →