#66E7FD#66E7FD

#66E7FD is a very light, moderate teal. Relative luminance 0.671; OKLCH L 86.4% C 0.117 H 210.4°. Best body text is #000000 at 14.41:1 contrast (WCAG AA passes).

Color values

HEX	#66E7FD
RGB	rgb(102, 231, 253)
HSL	hsl(189, 97%, 70%)
HSV	hsv(189, 60%, 99%)
CMYK	cmyk(59.7%, 8.7%, 0%, 0.8%)
CIE-LAB	lab(85.54, -29.30, -21.35)
CIE-LCH	lch(85.54, 36.25, 216.08°)
OKLab	oklab(86.39% -0.1007 -0.0592)
OKLCH	oklch(86.39% 0.117 210.4)
XYZ	xyz(51.7777, 67.0632, 103.1252)
Luminance	0.6707 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E7FD #FD7C66

analogous

#66FDC8 #66E7FD #669BFD

triadic

#66E7FD #FD66E7 #E7FD66

tetradic

#66E7FD #C866FD #FD7C66 #9BFD66

square

#66E7FD #C866FD #FD7C66 #9BFD66

split-complementary

#66E7FD #FD669B #FDC866

monochromatic

#03C5E6 #2ADEFC #66E7FD #A2F0FE #DFFAFF

Accessibility & contrast

On white

1.46

#66E7FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.41

#66E7FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E7FD

14.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E7FD	#FFFFFF	#000000	##000000
##66E7FD	1.00	1.46	14.41	14.41
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.41	21.00	1.00	1.00
##000000	14.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4DFFE

Deuteranopia (green-blind)

#BECFFD

Tritanopia (blue-blind)

#00F1EE

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #66e7fd;
/* rgb */ color: rgb(102, 231, 253);
/* oklch */ color: oklch(86.4% 0.117 210.4);

Tailwind

colors: {
  custom: {
    50: '#9feffe',
    500: '#66e7fd',
    950: '#000000',
  },
}

SCSS

$custom: #66e7fd;
$custom-light: #9feffe;
$custom-dark: #000000;

JSON

{
  "hex": "#66e7fd",
  "rgb": {
    "r": 102,
    "g": 231,
    "b": 253
  },
  "hsl": {
    "h": 188.742,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.86392,
    "c": 0.11679,
    "h": 210.4
  },
  "luminance": 0.67068
}

Semantic roles & 50–950 ramp

primary

#66E7FD

secondary

#D8482F

accent

#2100E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101617

muted

#818585

Preview Lab

Preview with #66E7FD

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

Preview Lab → · Contrast checker → · Palette generator →