#66DEF4#66DEF4

#66DEF4 is a very light, moderate teal. Relative luminance 0.616; OKLCH L 84.0% C 0.111 H 211.4°. Best body text is #000000 at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#66DEF4
RGB	rgb(102, 222, 244)
HSL	hsl(189, 87%, 68%)
HSV	hsv(189, 58%, 96%)
CMYK	cmyk(58.2%, 9%, 0%, 4.3%)
CIE-LAB	lab(82.70, -27.46, -20.90)
CIE-LCH	lch(82.70, 34.51, 217.27°)
OKLab	oklab(84.01% -0.0949 -0.0579)
OKLCH	oklch(84.01% 0.111 211.4)
XYZ	xyz(47.9232, 61.5942, 94.9337)
Luminance	0.6160 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DEF4 #F47C66

analogous

#66F4C3 #66DEF4 #6697F4

triadic

#66DEF4 #F466DE #DEF466

tetradic

#66DEF4 #C366F4 #F47C66 #97F466

square

#66DEF4 #C366F4 #F47C66 #97F466

split-complementary

#66DEF4 #F46697 #F4C366

monochromatic

#0FB3D1 #2DD2F0 #66DEF4 #9FEAF8 #D8F7FC

Accessibility & contrast

On white

1.58

#66DEF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.32

#66DEF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DEF4

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DEF4	#FFFFFF	#000000	##000000
##66DEF4	1.00	1.58	13.32	13.32
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.32	21.00	1.00	1.00
##000000	13.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCD7F5

Deuteranopia (green-blind)

#B7C7F4

Tritanopia (blue-blind)

#00E8E5

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #66def4;
/* rgb */ color: rgb(102, 222, 244);
/* oklch */ color: oklch(84.0% 0.111 211.4);

Tailwind

colors: {
  custom: {
    50: '#9ee8f7',
    500: '#66def4',
    950: '#000000',
  },
}

SCSS

$custom: #66def4;
$custom-light: #9ee8f7;
$custom-dark: #000000;

JSON

{
  "hex": "#66def4",
  "rgb": {
    "r": 102,
    "g": 222,
    "b": 244
  },
  "hsl": {
    "h": 189.296,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.84014,
    "c": 0.1112,
    "h": 211.4
  },
  "luminance": 0.61599
}

Semantic roles & 50–950 ramp

primary

#66DEF4

secondary

#CC4A32

accent

#2502E3

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#101617

muted

#808485

Preview Lab

Preview with #66DEF4

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

Preview Lab → · Contrast checker → · Palette generator →