#666B66 Color Information

Hex color code: #666B66

#666B66 is a muted green color. In RGB it is (102, 107, 102), and in HSL it is (120°, 2%, 41%). It is typically applied in digital products.

Try:

Color NameGray

HEX

#666B66

RGB

102, 107, 102

HSL

120°, 2%, 41%

CMYK

5%, 0%, 5%, 58%

Shades

CSS Usage

color: #666B66;
background-color: #666B66;
border-color: #666B66;
box-shadow: 0 0 10px #666B66;
border: 2px solid #666B66;

Tailwind Usage

bg-[#666B66]
text-[#666B66]
border-[#666B66]
shadow-[0_0_10px_666B66]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #666B66, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #666B66; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #666B66; color: #FFFFFF; }

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 #666B66; background-color: #666B6615; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #666B6620; border-left: 4px solid #666B66; }

Link / Accent

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

a { color: #666B66; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #666B66 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

102, 107, 102

Red: 102 / Green: 107 / Blue: 102

HSL

120°, 2%, 41%

Hue: 120° / Saturation: 2% / Lightness: 41%

CMYK

5%, 0%, 5%, 58%

Cyan: 5% / Magenta: 0% / Yellow: 5% / Key: 58%

What color is #666B66?

#666B66 is a desaturated neutral associated with balance and subtlety.

Color Shades

Complementary Colors

6B666B

Color Palette

HEX to RGB

Convert #666B66 to RGB:

rgb(102, 107, 102)HEX to RGB Converter →

HEX to HSL

Convert #666B66 to HSL:

hsl(120, 2%, 41%)RGB to HSL Converter →

HEX to CMYK

Convert #666B66 to CMYK:

cmyk(5%, 0%, 5%, 58%)Color Converter →

Color Meaning and Usage

A subtle green tone, #666B66 has RGB (102, 107, 102) and HSL (120°, 2%, 41%). Known for evoking balance and subtlety, this desaturated neutral is often used for branding and logos. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #666B66 is #6B666B, creating high-contrast pairings. For softer combinations, try analogous colors like #696B66.

Use #666B66 in CSS: color: #666B66 or background-color: #666B66. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #666B66

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

Contrast Ratio: 3.86:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #666B66?

#666B66 is a subtle green color - a desaturated neutral that evokes balance and subtlety.

What is the RGB value of #666B66?

#666B66 in RGB is (102, 107, 102) - 102 red, 107 green, and 102 blue.

How to use #666B66 in CSS?

Use #666B66 directly in your CSS properties like color or background-color.

What colors go well with #666B66?

#6B666B (complementary), #696B66 (analogous), and #414441 (lighter shade) work well with #666B66.