#66EDF0#66EDF0

#66EDF0 is a very light, moderate teal. Relative luminance 0.697; OKLCH L 87.3% C 0.117 H 197.2°. Best body text is #000000 at 14.94:1 contrast (WCAG AA passes).

Color values

HEX	#66EDF0
RGB	rgb(102, 237, 240)
HSL	hsl(181, 82%, 67%)
HSV	hsv(181, 58%, 94%)
CMYK	cmyk(57.5%, 1.2%, 0%, 5.9%)
CIE-LAB	lab(86.84, -35.69, -12.56)
CIE-LCH	lch(86.84, 37.83, 199.39°)
OKLab	oklab(87.31% -0.112 -0.0348)
OKLCH	oklch(87.31% 0.117 197.2)
XYZ	xyz(51.4851, 69.6792, 93.1573)
Luminance	0.6968 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EDF0 #F06966

analogous

#66F0AE #66EDF0 #66A8F0

triadic

#66EDF0 #F066ED #EDF066

tetradic

#66EDF0 #AE66F0 #F06966 #A8F066

square

#66EDF0 #AE66F0 #F06966 #A8F066

split-complementary

#66EDF0 #F066A8 #F0AE66

monochromatic

#14C4C8 #2EE6EB #66EDF0 #9EF4F5 #D5FAFB

Accessibility & contrast

On white

1.41

#66EDF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.94

#66EDF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EDF0

14.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EDF0	#FFFFFF	#000000	##000000
##66EDF0	1.00	1.41	14.94	14.94
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.94	21.00	1.00	1.00
##000000	14.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEE3F0

Deuteranopia (green-blind)

#C8D3F1

Tritanopia (blue-blind)

#00F4EE

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66edf0;
/* rgb */ color: rgb(102, 237, 240);
/* oklch */ color: oklch(87.3% 0.117 197.2);

Tailwind

colors: {
  custom: {
    50: '#9ff3f4',
    500: '#66edf0',
    950: '#000000',
  },
}

SCSS

$custom: #66edf0;
$custom-light: #9ff3f4;
$custom-dark: #000000;

JSON

{
  "hex": "#66edf0",
  "rgb": {
    "r": 102,
    "g": 237,
    "b": 240
  },
  "hsl": {
    "h": 181.304,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.8731,
    "c": 0.11727,
    "h": 197.2
  },
  "luminance": 0.69684
}

Semantic roles & 50–950 ramp

primary

#66EDF0

secondary

#C53835

accent

#0C07DF

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101717

muted

#818585

Preview Lab

Preview with #66EDF0

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

Preview Lab → · Contrast checker → · Palette generator →