#66DEF5#66DEF5

#66DEF5 is a very light, moderate teal. Relative luminance 0.617; OKLCH L 84.1% C 0.112 H 212.1°. Best body text is #000000 at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#66DEF5
RGB	rgb(102, 222, 245)
HSL	hsl(190, 88%, 68%)
HSV	hsv(190, 58%, 96%)
CMYK	cmyk(58.4%, 9.4%, 0%, 3.9%)
CIE-LAB	lab(82.73, -27.18, -21.38)
CIE-LCH	lch(82.73, 34.58, 218.19°)
OKLab	oklab(84.05% -0.0945 -0.0593)
OKLCH	oklch(84.05% 0.112 212.1)
XYZ	xyz(48.0755, 61.6551, 95.7355)
Luminance	0.6166 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DEF5 #F57D66

analogous

#66F5C4 #66DEF5 #6697F5

triadic

#66DEF5 #F566DE #DEF566

tetradic

#66DEF5 #C466F5 #F57D66 #97F566

square

#66DEF5 #C466F5 #F57D66 #97F566

split-complementary

#66DEF5 #F56697 #F5C466

monochromatic

#0EB3D3 #2DD2F1 #66DEF5 #9FEAF9 #D9F7FD

Accessibility & contrast

On white

1.58

#66DEF5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.33

#66DEF5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DEF5

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DEF5	#FFFFFF	#000000	##000000
##66DEF5	1.00	1.58	13.33	13.33
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.33	21.00	1.00	1.00
##000000	13.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCD7F6

Deuteranopia (green-blind)

#B6C7F5

Tritanopia (blue-blind)

#00E8E5

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #66def5;
/* rgb */ color: rgb(102, 222, 245);
/* oklch */ color: oklch(84.1% 0.112 212.1);

Tailwind

colors: {
  custom: {
    50: '#9ee8f8',
    500: '#66def5',
    950: '#000000',
  },
}

SCSS

$custom: #66def5;
$custom-light: #9ee8f8;
$custom-dark: #000000;

JSON

{
  "hex": "#66def5",
  "rgb": {
    "r": 102,
    "g": 222,
    "b": 245
  },
  "hsl": {
    "h": 189.65,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.84051,
    "c": 0.11158,
    "h": 212.1
  },
  "luminance": 0.6166
}

Semantic roles & 50–950 ramp

primary

#66DEF5

secondary

#CE4B31

accent

#2601E4

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101617

muted

#808485

Preview Lab

Preview with #66DEF5

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

Preview Lab → · Contrast checker → · Palette generator →