#668E99 Color Information

Hex color code: #668E99

A delicate cyan shade, #668E99 appears as (102, 142, 153) in RGB and (193°, 20%, 50%) in HSL. It is widely used in graphic design.

Try:
Color NameLight Slate Gray
HEX
#668E99
RGB
102, 142, 153
HSL
193°, 20%, 50%
CMYK
33%, 7%, 0%, 40%

Shades

CSS Usage
color: #668E99;
background-color: #668E99;
border-color: #668E99;
box-shadow: 0 0 10px #668E99;
border: 2px solid #668E99;
Tailwind Usage
bg-[#668E99]
text-[#668E99]
border-[#668E99]
shadow-[0_0_10px_668E99]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #668E99, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #668E99; color: #000000; }

Badge

New Feature
.badge { background-color: #668E99; color: #000000; }

Text Highlight

The quick brown fox jumps over the lazy dog. highlighted text example shows how the color looks as a text highlight.

Card

Card Title

This card uses your color as a border accent.

.card-accent { border: 2px solid #668E99; background-color: #668E9915; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #668E9920; border-left: 4px solid #668E99; }

Link / Accent

This is a paragraph with a link using your color. The color can be applied to interactive elements.

a { color: #668E99; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #668E99 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

102, 142, 153

Red: 102 / Green: 142 / Blue: 153

HSL

193°, 20%, 50%

Hue: 193° / Saturation: 20% / Lightness: 50%

CMYK

33%, 7%, 0%, 40%

Cyan: 33% / Magenta: 7% / Yellow: 0% / Key: 40%

What color is #668E99?

#668E99 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #668E99 to RGB:

rgb(102, 142, 153)HEX to RGB Converter →

HEX to HSL

Convert #668E99 to HSL:

hsl(193, 20%, 50%)RGB to HSL Converter →

HEX to CMYK

Convert #668E99 to CMYK:

cmyk(33%, 7%, 0%, 40%)Color Converter →

Color Meaning and Usage

A pastel cyan tone, #668E99 has RGB (102, 142, 153) and HSL (193°, 20%, 50%). Known for evoking trust and professionalism, this cyan-blue hue is well suited for marketing pages and hero sections. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #668E99 is #997166, creating high-contrast pairings. For softer combinations, try analogous colors like #66998B.

Use #668E99 in CSS: color: #668E99 or background-color: #668E99. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #668E99

Sample text on this color - The quick brown fox jumps over the lazy dog.

Contrast Ratio: 5.89:1
WCAG AA: Pass
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #668E99?

#668E99 is a pastel cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #668E99?

#668E99 in RGB is (102, 142, 153) - 102 red, 142 green, and 153 blue.

How to use #668E99 in CSS?

Use #668E99 directly in your CSS properties like color or background-color.

What colors go well with #668E99?

#997166 (complementary), #66998B (analogous), and #47636B (lighter shade) work well with #668E99.