#66E9FE#66E9FE

#66E9FE is a very light, moderate teal. Relative luminance 0.683; OKLCH L 86.9% C 0.118 H 209.6°. Best body text is #000000 at 14.65:1 contrast (WCAG AA passes).

Color values

HEX	#66E9FE
RGB	rgb(102, 233, 254)
HSL	hsl(188, 99%, 70%)
HSV	hsv(188, 60%, 100%)
CMYK	cmyk(59.8%, 8.3%, 0%, 0.4%)
CIE-LAB	lab(86.13, -29.98, -20.97)
CIE-LCH	lch(86.13, 36.59, 214.97°)
OKLab	oklab(86.88% -0.1023 -0.0581)
OKLCH	oklch(86.88% 0.118 209.6)
XYZ	xyz(52.5004, 68.2530, 104.1540)
Luminance	0.6826 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E9FE #FE7B66

analogous

#66FEC7 #66E9FE #669DFE

triadic

#66E9FE #FE66E9 #E9FE66

tetradic

#66E9FE #C766FE #FE7B66 #9DFE66

square

#66E9FE #C766FE #FE7B66 #9DFE66

split-complementary

#66E9FE #FE669D #FEC766

monochromatic

#02C8E8 #29E0FE #66E9FE #A3F2FE #E0FAFF

Accessibility & contrast

On white

1.43

#66E9FE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.65

#66E9FE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E9FE

14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E9FE	#FFFFFF	#000000	##000000
##66E9FE	1.00	1.43	14.65	14.65
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.65	21.00	1.00	1.00
##000000	14.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6E1FF

Deuteranopia (green-blind)

#C0D0FE

Tritanopia (blue-blind)

#00F3EF

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66e9fe;
/* rgb */ color: rgb(102, 233, 254);
/* oklch */ color: oklch(86.9% 0.118 209.6);

Tailwind

colors: {
  custom: {
    50: '#a0f0fe',
    500: '#66e9fe',
    950: '#000000',
  },
}

SCSS

$custom: #66e9fe;
$custom-light: #a0f0fe;
$custom-dark: #000000;

JSON

{
  "hex": "#66e9fe",
  "rgb": {
    "r": 102,
    "g": 233,
    "b": 254
  },
  "hsl": {
    "h": 188.289,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.86883,
    "c": 0.11769,
    "h": 209.6
  },
  "luminance": 0.68258
}

Semantic roles & 50–950 ramp

primary

#66E9FE

secondary

#D9472F

accent

#2000E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101617

muted

#818585

Preview Lab

Preview with #66E9FE

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

Preview Lab → · Contrast checker → · Palette generator →