#66DFF5#66DFF5

#66DFF5 is a very light, moderate teal. Relative luminance 0.622; OKLCH L 84.3% C 0.112 H 211.3°. Best body text is #000000 at 13.44:1 contrast (WCAG AA passes).

Color values

HEX	#66DFF5
RGB	rgb(102, 223, 245)
HSL	hsl(189, 88%, 68%)
HSV	hsv(189, 58%, 96%)
CMYK	cmyk(58.4%, 9%, 0%, 3.9%)
CIE-LAB	lab(83.01, -27.67, -20.95)
CIE-LCH	lch(83.01, 34.70, 217.13°)
OKLab	oklab(84.28% -0.0956 -0.058)
OKLCH	oklch(84.28% 0.112 211.3)
XYZ	xyz(48.3419, 62.1879, 95.8243)
Luminance	0.6219 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DFF5 #F57C66

analogous

#66F5C4 #66DFF5 #6697F5

triadic

#66DFF5 #F566DF #DFF566

tetradic

#66DFF5 #C466F5 #F57C66 #97F566

square

#66DFF5 #C466F5 #F57C66 #97F566

split-complementary

#66DFF5 #F56697 #F5C466

monochromatic

#0EB5D3 #2DD3F1 #66DFF5 #9FEBF9 #D9F7FD

Accessibility & contrast

On white

1.56

#66DFF5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.44

#66DFF5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DFF5

13.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DFF5	#FFFFFF	#000000	##000000
##66DFF5	1.00	1.56	13.44	13.44
#FFFFFF	1.56	1.00	21.00	21.00
#000000	13.44	21.00	1.00	1.00
##000000	13.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDD8F6

Deuteranopia (green-blind)

#B7C8F5

Tritanopia (blue-blind)

#00E9E6

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #66dff5;
/* rgb */ color: rgb(102, 223, 245);
/* oklch */ color: oklch(84.3% 0.112 211.3);

Tailwind

colors: {
  custom: {
    50: '#9ee9f8',
    500: '#66dff5',
    950: '#000000',
  },
}

SCSS

$custom: #66dff5;
$custom-light: #9ee9f8;
$custom-dark: #000000;

JSON

{
  "hex": "#66dff5",
  "rgb": {
    "r": 102,
    "g": 223,
    "b": 245
  },
  "hsl": {
    "h": 189.231,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.84279,
    "c": 0.11183,
    "h": 211.3
  },
  "luminance": 0.62193
}

Semantic roles & 50–950 ramp

primary

#66DFF5

secondary

#CE4931

accent

#2401E4

background

#FCFEFF

surface

#F6FDFF

border

#D0D5D7

text

#101617

muted

#808485

Preview Lab

Preview with #66DFF5

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

Preview Lab → · Contrast checker → · Palette generator →