#66E6FD#66E6FD

#66E6FD is a very light, moderate teal. Relative luminance 0.665; OKLCH L 86.2% C 0.117 H 211.2°. Best body text is #000000 at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#66E6FD
RGB	rgb(102, 230, 253)
HSL	hsl(189, 97%, 70%)
HSV	hsv(189, 60%, 99%)
CMYK	cmyk(59.7%, 9.1%, 0%, 0.8%)
CIE-LAB	lab(85.25, -28.82, -21.78)
CIE-LCH	lch(85.25, 36.12, 217.08°)
OKLab	oklab(86.17% -0.0997 -0.0604)
OKLCH	oklch(86.17% 0.117 211.2)
XYZ	xyz(51.4986, 66.5050, 103.0322)
Luminance	0.6651 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E6FD #FD7D66

analogous

#66FDC9 #66E6FD #669BFD

triadic

#66E6FD #FD66E6 #E6FD66

tetradic

#66E6FD #C966FD #FD7D66 #9BFD66

square

#66E6FD #C966FD #FD7D66 #9BFD66

split-complementary

#66E6FD #FD669B #FDC966

monochromatic

#03C3E6 #2ADCFC #66E6FD #A2F0FE #DFFAFF

Accessibility & contrast

On white

1.47

#66E6FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.30

#66E6FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E6FD

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E6FD	#FFFFFF	#000000	##000000
##66E6FD	1.00	1.47	14.30	14.30
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.30	21.00	1.00	1.00
##000000	14.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3DFFE

Deuteranopia (green-blind)

#BDCEFD

Tritanopia (blue-blind)

#00F0ED

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #66e6fd;
/* rgb */ color: rgb(102, 230, 253);
/* oklch */ color: oklch(86.2% 0.117 211.2);

Tailwind

colors: {
  custom: {
    50: '#9feefe',
    500: '#66e6fd',
    950: '#000000',
  },
}

SCSS

$custom: #66e6fd;
$custom-light: #9feefe;
$custom-dark: #000000;

JSON

{
  "hex": "#66e6fd",
  "rgb": {
    "r": 102,
    "g": 230,
    "b": 253
  },
  "hsl": {
    "h": 189.139,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.86165,
    "c": 0.11653,
    "h": 211.2
  },
  "luminance": 0.6651
}

Semantic roles & 50–950 ramp

primary

#66E6FD

secondary

#D8492F

accent

#2300E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101617

muted

#818585

Preview Lab

Preview with #66E6FD

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

Preview Lab → · Contrast checker → · Palette generator →