#66DAEA#66DAEA

#66DAEA is a very light, moderate teal. Relative luminance 0.589; OKLCH L 82.7% C 0.107 H 207.5°. Best body text is #000000 at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#66DAEA
RGB	rgb(102, 218, 234)
HSL	hsl(187, 76%, 66%)
HSV	hsv(187, 56%, 92%)
CMYK	cmyk(56.4%, 6.8%, 0%, 8.2%)
CIE-LAB	lab(81.24, -28.29, -17.80)
CIE-LCH	lch(81.24, 33.42, 212.17°)
OKLab	oklab(82.74% -0.0947 -0.0492)
OKLCH	oklch(82.74% 0.107 207.5)
XYZ	xyz(45.3961, 58.9037, 86.8031)
Luminance	0.5891 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DAEA #EA7666

analogous

#66EAB8 #66DAEA #6698EA

triadic

#66DAEA #EA66DA #DAEA66

tetradic

#66DAEA #B866EA #EA7666 #98EA66

square

#66DAEA #B866EA #EA7666 #98EA66

split-complementary

#66DAEA #EA6698 #EAB866

monochromatic

#1AA8BC #30CDE3 #66DAEA #9CE7F1 #D2F4F9

Accessibility & contrast

On white

1.64

#66DAEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.78

#66DAEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DAEA

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DAEA	#FFFFFF	#000000	##000000
##66DAEA	1.00	1.64	12.78	12.78
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.78	21.00	1.00	1.00
##000000	12.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAD3EB

Deuteranopia (green-blind)

#B5C3EA

Tritanopia (blue-blind)

#00E2DF

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #66daea;
/* rgb */ color: rgb(102, 218, 234);
/* oklch */ color: oklch(82.7% 0.107 207.5);

Tailwind

colors: {
  custom: {
    50: '#9de5f0',
    500: '#66daea',
    950: '#000000',
  },
}

SCSS

$custom: #66daea;
$custom-light: #9de5f0;
$custom-dark: #000000;

JSON

{
  "hex": "#66daea",
  "rgb": {
    "r": 102,
    "g": 218,
    "b": 234
  },
  "hsl": {
    "h": 187.273,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.82736,
    "c": 0.10671,
    "h": 207.5
  },
  "luminance": 0.58908
}

Semantic roles & 50–950 ramp

primary

#66DAEA

secondary

#BB4939

accent

#260DD8

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1616

muted

#808485

Preview Lab

Preview with #66DAEA

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

Preview Lab → · Contrast checker → · Palette generator →