#66EDF4#66EDF4

#66EDF4 is a very light, moderate teal. Relative luminance 0.699; OKLCH L 87.4% C 0.117 H 200.0°. Best body text is #000000 at 14.99:1 contrast (WCAG AA passes).

Color values

HEX	#66EDF4
RGB	rgb(102, 237, 244)
HSL	hsl(183, 87%, 68%)
HSV	hsv(183, 58%, 96%)
CMYK	cmyk(58.2%, 2.9%, 0%, 4.3%)
CIE-LAB	lab(86.96, -34.62, -14.48)
CIE-LCH	lch(86.96, 37.52, 202.70°)
OKLab	oklab(87.45% -0.1104 -0.0401)
OKLCH	oklch(87.45% 0.117 200)
XYZ	xyz(52.0859, 69.9195, 96.3213)
Luminance	0.6993 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EDF4 #F46D66

analogous

#66F4B4 #66EDF4 #66A6F4

triadic

#66EDF4 #F466ED #EDF466

tetradic

#66EDF4 #B466F4 #F46D66 #A6F466

square

#66EDF4 #B466F4 #F46D66 #A6F466

split-complementary

#66EDF4 #F466A6 #F4B466

monochromatic

#0FC7D1 #2DE6F0 #66EDF4 #9FF4F8 #D8FAFC

Accessibility & contrast

On white

1.40

#66EDF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.99

#66EDF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EDF4

14.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EDF4	#FFFFFF	#000000	##000000
##66EDF4	1.00	1.40	14.99	14.99
#FFFFFF	1.40	1.00	21.00	21.00
#000000	14.99	21.00	1.00	1.00
##000000	14.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDE3F5

Deuteranopia (green-blind)

#C7D3F5

Tritanopia (blue-blind)

#00F5EF

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #66edf4;
/* rgb */ color: rgb(102, 237, 244);
/* oklch */ color: oklch(87.4% 0.117 200.0);

Tailwind

colors: {
  custom: {
    50: '#9ff3f7',
    500: '#66edf4',
    950: '#000000',
  },
}

SCSS

$custom: #66edf4;
$custom-light: #9ff3f7;
$custom-dark: #000000;

JSON

{
  "hex": "#66edf4",
  "rgb": {
    "r": 102,
    "g": 237,
    "b": 244
  },
  "hsl": {
    "h": 182.958,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.87445,
    "c": 0.11742,
    "h": 200
  },
  "luminance": 0.69925
}

Semantic roles & 50–950 ramp

primary

#66EDF4

secondary

#CC3A32

accent

#0D02E3

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101717

muted

#818585

Preview Lab

Preview with #66EDF4

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

Preview Lab → · Contrast checker → · Palette generator →