#66E6F8#66E6F8

#66E6F8 is a very light, moderate teal. Relative luminance 0.662; OKLCH L 86.0% C 0.115 H 207.8°. Best body text is #000000 at 14.24:1 contrast (WCAG AA passes).

Color values

HEX	#66E6F8
RGB	rgb(102, 230, 248)
HSL	hsl(187, 91%, 69%)
HSV	hsv(187, 59%, 97%)
CMYK	cmyk(58.9%, 7.3%, 0%, 2.7%)
CIE-LAB	lab(85.09, -30.21, -19.39)
CIE-LCH	lch(85.09, 35.90, 212.69°)
OKLab	oklab(85.98% -0.1016 -0.0537)
OKLCH	oklch(85.98% 0.115 207.8)
XYZ	xyz(50.7126, 66.1906, 98.8922)
Luminance	0.6620 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E6F8 #F87866

analogous

#66F8C1 #66E6F8 #669DF8

triadic

#66E6F8 #F866E6 #E6F866

tetradic

#66E6F8 #C166F8 #F87866 #9DF866

square

#66E6F8 #C166F8 #F87866 #9DF866

split-complementary

#66E6F8 #F8669D #F8C166

monochromatic

#0AC0DA #2BDCF5 #66E6F8 #A1F0FB #DBF9FD

Accessibility & contrast

On white

1.47

#66E6F8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.24

#66E6F8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E6F8

14.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E6F8	#FFFFFF	#000000	##000000
##66E6F8	1.00	1.47	14.24	14.24
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.24	21.00	1.00	1.00
##000000	14.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4DEF9

Deuteranopia (green-blind)

#BECEF8

Tritanopia (blue-blind)

#00EFEB

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #66e6f8;
/* rgb */ color: rgb(102, 230, 248);
/* oklch */ color: oklch(86.0% 0.115 207.8);

Tailwind

colors: {
  custom: {
    50: '#9feefa',
    500: '#66e6f8',
    950: '#000000',
  },
}

SCSS

$custom: #66e6f8;
$custom-light: #9feefa;
$custom-dark: #000000;

JSON

{
  "hex": "#66e6f8",
  "rgb": {
    "r": 102,
    "g": 230,
    "b": 248
  },
  "hsl": {
    "h": 187.397,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.85983,
    "c": 0.11493,
    "h": 207.8
  },
  "luminance": 0.66196
}

Semantic roles & 50–950 ramp

primary

#66E6F8

secondary

#D24531

accent

#1C00E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101617

muted

#818585

Preview Lab

Preview with #66E6F8

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

Preview Lab → · Contrast checker → · Palette generator →