#66EEF1#66EEF1

#66EEF1 is a very light, moderate teal. Relative luminance 0.703; OKLCH L 87.6% C 0.118 H 197.2°. Best body text is #000000 at 15.07:1 contrast (WCAG AA passes).

Color values

HEX	#66EEF1
RGB	rgb(102, 238, 241)
HSL	hsl(181, 83%, 67%)
HSV	hsv(181, 58%, 95%)
CMYK	cmyk(57.7%, 1.2%, 0%, 5.5%)
CIE-LAB	lab(87.15, -35.89, -12.61)
CIE-LCH	lch(87.15, 38.04, 199.37°)
OKLab	oklab(87.57% -0.1126 -0.0349)
OKLCH	oklch(87.57% 0.118 197.2)
XYZ	xyz(51.9244, 70.3194, 94.0386)
Luminance	0.7033 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EEF1 #F16966

analogous

#66F1AF #66EEF1 #66A9F1

triadic

#66EEF1 #F166EE #EEF166

tetradic

#66EEF1 #AF66F1 #F16966 #A9F166

square

#66EEF1 #AF66F1 #F16966 #A9F166

split-complementary

#66EEF1 #F166A9 #F1AF66

monochromatic

#12C6CA #2EE8EC #66EEF1 #9EF4F6 #D6FAFB

Accessibility & contrast

On white

1.39

#66EEF1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.07

#66EEF1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EEF1

15.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EEF1	#FFFFFF	#000000	##000000
##66EEF1	1.00	1.39	15.07	15.07
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.07	21.00	1.00	1.00
##000000	15.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFE4F1

Deuteranopia (green-blind)

#C9D3F2

Tritanopia (blue-blind)

#00F5EE

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #66eef1;
/* rgb */ color: rgb(102, 238, 241);
/* oklch */ color: oklch(87.6% 0.118 197.2);

Tailwind

colors: {
  custom: {
    50: '#9ff4f5',
    500: '#66eef1',
    950: '#000000',
  },
}

SCSS

$custom: #66eef1;
$custom-light: #9ff4f5;
$custom-dark: #000000;

JSON

{
  "hex": "#66eef1",
  "rgb": {
    "r": 102,
    "g": 238,
    "b": 241
  },
  "hsl": {
    "h": 181.295,
    "s": 83.234,
    "l": 67.255
  },
  "oklch": {
    "l": 0.87573,
    "c": 0.11791,
    "h": 197.2
  },
  "luminance": 0.70325
}

Semantic roles & 50–950 ramp

primary

#66EEF1

secondary

#C73834

accent

#0B06E0

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101717

muted

#818585

Preview Lab

Preview with #66EEF1

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

Preview Lab → · Contrast checker → · Palette generator →