#66D7EB#66D7EB

#66D7EB is a very light, moderate teal. Relative luminance 0.574; OKLCH L 82.1% C 0.106 H 210.7°. Best body text is #000000 at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#66D7EB
RGB	rgb(102, 215, 235)
HSL	hsl(189, 77%, 66%)
HSV	hsv(189, 57%, 92%)
CMYK	cmyk(56.6%, 8.5%, 0%, 7.8%)
CIE-LAB	lab(80.42, -26.55, -19.57)
CIE-LCH	lch(80.42, 32.98, 216.40°)
OKLab	oklab(82.09% -0.0911 -0.0542)
OKLCH	oklch(82.09% 0.106 210.7)
XYZ	xyz(44.7693, 57.4195, 87.3049)
Luminance	0.5742 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D7EB #EB7A66

analogous

#66EBBD #66D7EB #6694EB

triadic

#66D7EB #EB66D7 #D7EB66

tetradic

#66D7EB #BD66EB #EB7A66 #94EB66

square

#66D7EB #BD66EB #EB7A66 #94EB66

split-complementary

#66D7EB #EB6694 #EBBD66

monochromatic

#19A5BE #30C9E4 #66D7EB #9CE5F2 #D2F3F9

Accessibility & contrast

On white

1.68

#66D7EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.48

#66D7EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D7EB

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D7EB	#FFFFFF	#000000	##000000
##66D7EB	1.00	1.68	12.48	12.48
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.48	21.00	1.00	1.00
##000000	12.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6D0EC

Deuteranopia (green-blind)

#B2C1EB

Tritanopia (blue-blind)

#00E0DD

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #66d7eb;
/* rgb */ color: rgb(102, 215, 235);
/* oklch */ color: oklch(82.1% 0.106 210.7);

Tailwind

colors: {
  custom: {
    50: '#9de3f1',
    500: '#66d7eb',
    950: '#000000',
  },
}

SCSS

$custom: #66d7eb;
$custom-light: #9de3f1;
$custom-dark: #000000;

JSON

{
  "hex": "#66d7eb",
  "rgb": {
    "r": 102,
    "g": 215,
    "b": 235
  },
  "hsl": {
    "h": 189.023,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.82085,
    "c": 0.10601,
    "h": 210.7
  },
  "luminance": 0.57424
}

Semantic roles & 50–950 ramp

primary

#66D7EB

secondary

#BD4C39

accent

#2B0CD9

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #66D7EB

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

Preview Lab → · Contrast checker → · Palette generator →