#66D7ED#66D7ED

#66D7ED is a very light, moderate teal. Relative luminance 0.575; OKLCH L 82.2% C 0.107 H 212.2°. Best body text is #000000 at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#66D7ED
RGB	rgb(102, 215, 237)
HSL	hsl(190, 79%, 66%)
HSV	hsv(190, 57%, 93%)
CMYK	cmyk(57%, 9.3%, 0%, 7.1%)
CIE-LAB	lab(80.48, -25.99, -20.54)
CIE-LCH	lch(80.48, 33.13, 218.32°)
OKLab	oklab(82.16% -0.0903 -0.0569)
OKLCH	oklch(82.16% 0.107 212.2)
XYZ	xyz(45.0598, 57.5357, 88.8352)
Luminance	0.5754 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D7ED #ED7C66

analogous

#66EDC0 #66D7ED #6694ED

triadic

#66D7ED #ED66D7 #D7ED66

tetradic

#66D7ED #C066ED #ED7C66 #94ED66

square

#66D7ED #C066ED #ED7C66 #94ED66

split-complementary

#66D7ED #ED6694 #EDC066

monochromatic

#17A6C2 #2FC9E7 #66D7ED #9DE5F3 #D4F4FA

Accessibility & contrast

On white

1.68

#66D7ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.51

#66D7ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D7ED

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D7ED	#FFFFFF	#000000	##000000
##66D7ED	1.00	1.68	12.51	12.51
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.51	21.00	1.00	1.00
##000000	12.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6D0EE

Deuteranopia (green-blind)

#B1C1ED

Tritanopia (blue-blind)

#00E0DE

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #66d7ed;
/* rgb */ color: rgb(102, 215, 237);
/* oklch */ color: oklch(82.2% 0.107 212.2);

Tailwind

colors: {
  custom: {
    50: '#9de3f2',
    500: '#66d7ed',
    950: '#000000',
  },
}

SCSS

$custom: #66d7ed;
$custom-light: #9de3f2;
$custom-dark: #000000;

JSON

{
  "hex": "#66d7ed",
  "rgb": {
    "r": 102,
    "g": 215,
    "b": 237
  },
  "hsl": {
    "h": 189.778,
    "s": 78.947,
    "l": 66.471
  },
  "oklch": {
    "l": 0.82159,
    "c": 0.10676,
    "h": 212.2
  },
  "luminance": 0.5754
}

Semantic roles & 50–950 ramp

primary

#66D7ED

secondary

#C04E37

accent

#2C0ADB

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #66D7ED

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

Preview Lab → · Contrast checker → · Palette generator →