#66EDF6#66EDF6

#66EDF6 is a very light, moderate teal. Relative luminance 0.700; OKLCH L 87.5% C 0.118 H 201.3°. Best body text is #000000 at 15.01:1 contrast (WCAG AA passes).

Color values

HEX	#66EDF6
RGB	rgb(102, 237, 246)
HSL	hsl(184, 89%, 68%)
HSV	hsv(184, 59%, 96%)
CMYK	cmyk(58.5%, 3.7%, 0%, 3.5%)
CIE-LAB	lab(87.02, -34.08, -15.44)
CIE-LCH	lch(87.02, 37.41, 204.37°)
OKLab	oklab(87.51% -0.1096 -0.0427)
OKLCH	oklch(87.51% 0.118 201.3)
XYZ	xyz(52.3912, 70.0416, 97.9292)
Luminance	0.7005 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EDF6 #F66F66

analogous

#66F6B7 #66EDF6 #66A5F6

triadic

#66EDF6 #F666ED #EDF666

tetradic

#66EDF6 #B766F6 #F66F66 #A5F666

square

#66EDF6 #B766F6 #F66F66 #A5F666

split-complementary

#66EDF6 #F666A5 #F6B766

monochromatic

#0DC9D5 #2CE6F3 #66EDF6 #A0F4F9 #DAFBFD

Accessibility & contrast

On white

1.40

#66EDF6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.01

#66EDF6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EDF6

15.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EDF6	#FFFFFF	#000000	##000000
##66EDF6	1.00	1.40	15.01	15.01
#FFFFFF	1.40	1.00	21.00	21.00
#000000	15.01	21.00	1.00	1.00
##000000	15.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDE4F7

Deuteranopia (green-blind)

#C6D3F7

Tritanopia (blue-blind)

#00F5EF

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #66edf6;
/* rgb */ color: rgb(102, 237, 246);
/* oklch */ color: oklch(87.5% 0.118 201.3);

Tailwind

colors: {
  custom: {
    50: '#9ff3f9',
    500: '#66edf6',
    950: '#000000',
  },
}

SCSS

$custom: #66edf6;
$custom-light: #9ff3f9;
$custom-dark: #000000;

JSON

{
  "hex": "#66edf6",
  "rgb": {
    "r": 102,
    "g": 237,
    "b": 246
  },
  "hsl": {
    "h": 183.75,
    "s": 88.889,
    "l": 68.235
  },
  "oklch": {
    "l": 0.87513,
    "c": 0.11761,
    "h": 201.3
  },
  "luminance": 0.70047
}

Semantic roles & 50–950 ramp

primary

#66EDF6

secondary

#CF3B31

accent

#0E00E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101717

muted

#818585

Preview Lab

Preview with #66EDF6

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

Preview Lab → · Contrast checker → · Palette generator →