#66D4E7#66D4E7

#66D4E7 is a light, moderate teal. Relative luminance 0.557; OKLCH L 81.3% C 0.104 H 210.3°. Best body text is #000000 at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#66D4E7
RGB	rgb(102, 212, 231)
HSL	hsl(189, 73%, 65%)
HSV	hsv(189, 56%, 91%)
CMYK	cmyk(55.8%, 8.2%, 0%, 9.4%)
CIE-LAB	lab(79.43, -26.19, -18.93)
CIE-LCH	lch(79.43, 32.31, 215.85°)
OKLab	oklab(81.25% -0.0895 -0.0524)
OKLCH	oklch(81.25% 0.104 210.3)
XYZ	xyz(43.4410, 55.6771, 84.0432)
Luminance	0.5568 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D4E7 #E77966

analogous

#66E7B9 #66D4E7 #6694E7

triadic

#66D4E7 #E766D4 #D4E766

tetradic

#66D4E7 #B966E7 #E77966 #94E766

square

#66D4E7 #B966E7 #E77966 #94E766

split-complementary

#66D4E7 #E76694 #E7B966

monochromatic

#1D9FB6 #31C5DF #66D4E7 #9BE3EF #D0F2F8

Accessibility & contrast

On white

1.73

#66D4E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.14

#66D4E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D4E7

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D4E7	#FFFFFF	#000000	##000000
##66D4E7	1.00	1.73	12.14	12.14
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.14	21.00	1.00	1.00
##000000	12.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4CDE8

Deuteranopia (green-blind)

#B0BEE7

Tritanopia (blue-blind)

#00DDDA

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #66d4e7;
/* rgb */ color: rgb(102, 212, 231);
/* oklch */ color: oklch(81.3% 0.104 210.3);

Tailwind

colors: {
  custom: {
    50: '#9ce1ee',
    500: '#66d4e7',
    950: '#000000',
  },
}

SCSS

$custom: #66d4e7;
$custom-light: #9ce1ee;
$custom-dark: #000000;

JSON

{
  "hex": "#66d4e7",
  "rgb": {
    "r": 102,
    "g": 212,
    "b": 231
  },
  "hsl": {
    "h": 188.837,
    "s": 72.881,
    "l": 65.294
  },
  "oklch": {
    "l": 0.81251,
    "c": 0.10369,
    "h": 210.3
  },
  "luminance": 0.55681
}

Semantic roles & 50–950 ramp

primary

#66D4E7

secondary

#B64D3B

accent

#2D11D5

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #66D4E7

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

Preview Lab → · Contrast checker → · Palette generator →