#66DDEC#66DDEC

#66DDEC is a very light, moderate teal. Relative luminance 0.606; OKLCH L 83.5% C 0.108 H 206.5°. Best body text is #000000 at 13.12:1 contrast (WCAG AA passes).

Color values

HEX	#66DDEC
RGB	rgb(102, 221, 236)
HSL	hsl(187, 78%, 66%)
HSV	hsv(187, 57%, 93%)
CMYK	cmyk(56.8%, 6.4%, 0%, 7.5%)
CIE-LAB	lab(82.16, -29.20, -17.47)
CIE-LCH	lch(82.16, 34.03, 210.90°)
OKLab	oklab(83.5% -0.097 -0.0483)
OKLCH	oklch(83.5% 0.108 206.5)
XYZ	xyz(46.4700, 60.5892, 88.5865)
Luminance	0.6059 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DDEC #EC7566

analogous

#66ECB8 #66DDEC #669AEC

triadic

#66DDEC #EC66DD #DDEC66

tetradic

#66DDEC #B866EC #EC7566 #9AEC66

square

#66DDEC #B866EC #EC7566 #9AEC66

split-complementary

#66DDEC #EC669A #ECB866

monochromatic

#18ADC0 #30D1E5 #66DDEC #9CE9F3 #D3F5FA

Accessibility & contrast

On white

1.60

#66DDEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.12

#66DDEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DDEC

13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DDEC	#FFFFFF	#000000	##000000
##66DDEC	1.00	1.60	13.12	13.12
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.12	21.00	1.00	1.00
##000000	13.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDD5ED

Deuteranopia (green-blind)

#B8C6EC

Tritanopia (blue-blind)

#00E5E1

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #66ddec;
/* rgb */ color: rgb(102, 221, 236);
/* oklch */ color: oklch(83.5% 0.108 206.5);

Tailwind

colors: {
  custom: {
    50: '#9de8f2',
    500: '#66ddec',
    950: '#000000',
  },
}

SCSS

$custom: #66ddec;
$custom-light: #9de8f2;
$custom-dark: #000000;

JSON

{
  "hex": "#66ddec",
  "rgb": {
    "r": 102,
    "g": 221,
    "b": 236
  },
  "hsl": {
    "h": 186.716,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.83496,
    "c": 0.1084,
    "h": 206.5
  },
  "luminance": 0.60594
}

Semantic roles & 50–950 ramp

primary

#66DDEC

secondary

#BE4738

accent

#220BDA

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1616

muted

#808485

Preview Lab

Preview with #66DDEC

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

Preview Lab → · Contrast checker → · Palette generator →