#669999 Color Information

Hex color code: #669999

A subtle cyan shade, #669999 appears as (102, 153, 153) in RGB and (180°, 20%, 50%) in HSL. It is popular in mobile app design.

Try:

Color NameCadet Blue

HEX

#669999

RGB

102, 153, 153

HSL

180°, 20%, 50%

CMYK

33%, 0%, 0%, 40%

Shades

CSS Usage

color: #669999;
background-color: #669999;
border-color: #669999;
box-shadow: 0 0 10px #669999;
border: 2px solid #669999;

Tailwind Usage

bg-[#669999]
text-[#669999]
border-[#669999]
shadow-[0_0_10px_669999]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #669999, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #669999; color: #000000; }

Badge

New Feature

.badge { background-color: #669999; 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 #669999; background-color: #66999915; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #66999920; border-left: 4px solid #669999; }

Link / Accent

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

a { color: #669999; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #669999 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

102, 153, 153

Red: 102 / Green: 153 / Blue: 153

HSL

180°, 20%, 50%

Hue: 180° / Saturation: 20% / Lightness: 50%

CMYK

33%, 0%, 0%, 40%

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

What color is #669999?

#669999 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

996666

Color Palette

HEX to RGB

Convert #669999 to RGB:

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

HEX to HSL

Convert #669999 to HSL:

hsl(180, 20%, 50%)RGB to HSL Converter →

HEX to CMYK

Convert #669999 to CMYK:

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

Color Meaning and Usage

A subtle cyan tone, #669999 has RGB (102, 153, 153) and HSL (180°, 20%, 50%). Known for evoking trust and professionalism, this cyan-blue hue is commonly used in modern UI design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #669999 is #996666, creating high-contrast pairings. For softer combinations, try analogous colors like #669980.

Use #669999 in CSS: color: #669999 or background-color: #669999. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #669999

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

Contrast Ratio: 6.58:1

WCAG AA: Pass

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #669999?

#669999 is a subtle cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #669999?

#669999 in RGB is (102, 153, 153) - 102 red, 153 green, and 153 blue.

How to use #669999 in CSS?

Use #669999 directly in your CSS properties like color or background-color.

What colors go well with #669999?

#996666 (complementary), #669980 (analogous), and #476B6B (lighter shade) work well with #669999.