#66D4E6#66D4E6

#66D4E6 is a light, moderate teal. Relative luminance 0.556; OKLCH L 81.2% C 0.103 H 209.6°. Best body text is #000000 at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#66D4E6
RGB	rgb(102, 212, 230)
HSL	hsl(188, 72%, 65%)
HSV	hsv(188, 56%, 90%)
CMYK	cmyk(55.7%, 7.8%, 0%, 9.8%)
CIE-LAB	lab(79.40, -26.47, -18.44)
CIE-LCH	lch(79.40, 32.26, 214.87°)
OKLab	oklab(81.21% -0.0899 -0.051)
OKLCH	oklch(81.21% 0.103 209.6)
XYZ	xyz(43.3001, 55.6208, 83.3016)
Luminance	0.5563 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D4E6 #E67866

analogous

#66E6B8 #66D4E6 #6694E6

triadic

#66D4E6 #E666D4 #D4E666

tetradic

#66D4E6 #B866E6 #E67866 #94E666

square

#66D4E6 #B866E6 #E67866 #94E666

split-complementary

#66D4E6 #E66694 #E6B866

monochromatic

#1D9FB4 #31C5DD #66D4E6 #9BE3EF #CFF2F7

Accessibility & contrast

On white

1.73

#66D4E6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.13

#66D4E6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D4E6

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D4E6	#FFFFFF	#000000	##000000
##66D4E6	1.00	1.73	12.13	12.13
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.13	21.00	1.00	1.00
##000000	12.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4CDE7

Deuteranopia (green-blind)

#B0BEE6

Tritanopia (blue-blind)

#00DCD9

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #66d4e6;
/* rgb */ color: rgb(102, 212, 230);
/* oklch */ color: oklch(81.2% 0.103 209.6);

Tailwind

colors: {
  custom: {
    50: '#9ce1ee',
    500: '#66d4e6',
    950: '#000000',
  },
}

SCSS

$custom: #66d4e6;
$custom-light: #9ce1ee;
$custom-dark: #000000;

JSON

{
  "hex": "#66d4e6",
  "rgb": {
    "r": 102,
    "g": 212,
    "b": 230
  },
  "hsl": {
    "h": 188.438,
    "s": 71.91,
    "l": 65.098
  },
  "oklch": {
    "l": 0.81214,
    "c": 0.10336,
    "h": 209.6
  },
  "luminance": 0.55625
}

Semantic roles & 50–950 ramp

primary

#66D4E6

secondary

#B54D3C

accent

#2D12D4

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #66D4E6

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

Preview Lab → · Contrast checker → · Palette generator →