#66E8F8#66E8F8

#66E8F8 is a very light, moderate teal. Relative luminance 0.673; OKLCH L 86.4% C 0.116 H 206.3°. Best body text is #000000 at 14.46:1 contrast (WCAG AA passes).

Color values

HEX	#66E8F8
RGB	rgb(102, 232, 248)
HSL	hsl(187, 91%, 69%)
HSV	hsv(187, 59%, 97%)
CMYK	cmyk(58.9%, 6.5%, 0%, 2.7%)
CIE-LAB	lab(85.66, -31.17, -18.53)
CIE-LCH	lch(85.66, 36.26, 210.73°)
OKLab	oklab(86.44% -0.1037 -0.0513)
OKLCH	oklch(86.44% 0.116 206.3)
XYZ	xyz(51.2723, 67.3101, 99.0788)
Luminance	0.6732 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E8F8 #F87666

analogous

#66F8BF #66E8F8 #669FF8

triadic

#66E8F8 #F866E8 #E8F866

tetradic

#66E8F8 #BF66F8 #F87666 #9FF866

square

#66E8F8 #BF66F8 #F87666 #9FF866

split-complementary

#66E8F8 #F8669F #F8BF66

monochromatic

#0AC3DA #2BDFF5 #66E8F8 #A1F1FB #DBFAFD

Accessibility & contrast

On white

1.45

#66E8F8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.46

#66E8F8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E8F8

14.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E8F8	#FFFFFF	#000000	##000000
##66E8F8	1.00	1.45	14.46	14.46
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.46	21.00	1.00	1.00
##000000	14.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7E0F9

Deuteranopia (green-blind)

#C0CFF8

Tritanopia (blue-blind)

#00F1ED

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #66e8f8;
/* rgb */ color: rgb(102, 232, 248);
/* oklch */ color: oklch(86.4% 0.116 206.3);

Tailwind

colors: {
  custom: {
    50: '#9feffa',
    500: '#66e8f8',
    950: '#000000',
  },
}

SCSS

$custom: #66e8f8;
$custom-light: #9feffa;
$custom-dark: #000000;

JSON

{
  "hex": "#66e8f8",
  "rgb": {
    "r": 102,
    "g": 232,
    "b": 248
  },
  "hsl": {
    "h": 186.575,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.8644,
    "c": 0.11566,
    "h": 206.3
  },
  "luminance": 0.67315
}

Semantic roles & 50–950 ramp

primary

#66E8F8

secondary

#D24231

accent

#1900E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101617

muted

#818585

Preview Lab

Preview with #66E8F8

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

Preview Lab → · Contrast checker → · Palette generator →