#66E8F7#66E8F7

#66E8F7 is a very light, moderate teal. Relative luminance 0.673; OKLCH L 86.4% C 0.115 H 205.7°. Best body text is #000000 at 14.45:1 contrast (WCAG AA passes).

Color values

HEX	#66E8F7
RGB	rgb(102, 232, 247)
HSL	hsl(186, 90%, 68%)
HSV	hsv(186, 59%, 97%)
CMYK	cmyk(58.7%, 6.1%, 0%, 3.1%)
CIE-LAB	lab(85.63, -31.44, -18.05)
CIE-LCH	lch(85.63, 36.26, 209.86°)
OKLab	oklab(86.4% -0.1041 -0.05)
OKLCH	oklch(86.4% 0.115 205.7)
XYZ	xyz(51.1176, 67.2482, 98.2639)
Luminance	0.6725 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E8F7 #F77566

analogous

#66F7BD #66E8F7 #669FF7

triadic

#66E8F7 #F766E8 #E8F766

tetradic

#66E8F7 #BD66F7 #F77566 #9FF766

square

#66E8F7 #BD66F7 #F77566 #9FF766

split-complementary

#66E8F7 #F7669F #F7BD66

monochromatic

#0BC2D7 #2CDFF4 #66E8F7 #A0F1FA #DAF9FD

Accessibility & contrast

On white

1.45

#66E8F7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.45

#66E8F7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E8F7

14.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E8F7	#FFFFFF	#000000	##000000
##66E8F7	1.00	1.45	14.45	14.45
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.45	21.00	1.00	1.00
##000000	14.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7E0F8

Deuteranopia (green-blind)

#C1CFF7

Tritanopia (blue-blind)

#00F1EC

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #66e8f7;
/* rgb */ color: rgb(102, 232, 247);
/* oklch */ color: oklch(86.4% 0.115 205.7);

Tailwind

colors: {
  custom: {
    50: '#9feff9',
    500: '#66e8f7',
    950: '#000000',
  },
}

SCSS

$custom: #66e8f7;
$custom-light: #9feff9;
$custom-dark: #000000;

JSON

{
  "hex": "#66e8f7",
  "rgb": {
    "r": 102,
    "g": 232,
    "b": 247
  },
  "hsl": {
    "h": 186.207,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.86404,
    "c": 0.11544,
    "h": 205.7
  },
  "luminance": 0.67253
}

Semantic roles & 50–950 ramp

primary

#66E8F7

secondary

#D04131

accent

#1800E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101617

muted

#818585

Preview Lab

Preview with #66E8F7

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

Preview Lab → · Contrast checker → · Palette generator →