#66EEF6#66EEF6

#66EEF6 is a very light, moderate teal. Relative luminance 0.706; OKLCH L 87.7% C 0.118 H 200.6°. Best body text is #000000 at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#66EEF6
RGB	rgb(102, 238, 246)
HSL	hsl(183, 89%, 68%)
HSV	hsv(183, 59%, 96%)
CMYK	cmyk(58.5%, 3.3%, 0%, 3.5%)
CIE-LAB	lab(87.30, -34.55, -15.01)
CIE-LCH	lch(87.30, 37.67, 203.49°)
OKLab	oklab(87.74% -0.1106 -0.0415)
OKLCH	oklch(87.74% 0.118 200.6)
XYZ	xyz(52.6815, 70.6223, 98.0260)
Luminance	0.7063 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EEF6 #F66E66

analogous

#66F6B6 #66EEF6 #66A6F6

triadic

#66EEF6 #F666EE #EEF666

tetradic

#66EEF6 #B666F6 #F66E66 #A6F666

square

#66EEF6 #B666F6 #F66E66 #A6F666

split-complementary

#66EEF6 #F666A6 #F6B666

monochromatic

#0DCAD5 #2CE8F3 #66EEF6 #A0F4F9 #DAFBFD

Accessibility & contrast

On white

1.39

#66EEF6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.13

#66EEF6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EEF6

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EEF6	#FFFFFF	#000000	##000000
##66EEF6	1.00	1.39	15.13	15.13
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.13	21.00	1.00	1.00
##000000	15.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEE4F7

Deuteranopia (green-blind)

#C8D4F7

Tritanopia (blue-blind)

#00F6F0

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #66eef6;
/* rgb */ color: rgb(102, 238, 246);
/* oklch */ color: oklch(87.7% 0.118 200.6);

Tailwind

colors: {
  custom: {
    50: '#9ff4f9',
    500: '#66eef6',
    950: '#000000',
  },
}

SCSS

$custom: #66eef6;
$custom-light: #9ff4f9;
$custom-dark: #000000;

JSON

{
  "hex": "#66eef6",
  "rgb": {
    "r": 102,
    "g": 238,
    "b": 246
  },
  "hsl": {
    "h": 183.333,
    "s": 88.889,
    "l": 68.235
  },
  "oklch": {
    "l": 0.87742,
    "c": 0.11814,
    "h": 200.6
  },
  "luminance": 0.70628
}

Semantic roles & 50–950 ramp

primary

#66EEF6

secondary

#CF3A31

accent

#0D00E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101717

muted

#818585

Preview Lab

Preview with #66EEF6

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

Preview Lab → · Contrast checker → · Palette generator →