The hexadecimal color code #666567 represents a dark shade in the gray family. In the RGB color model, this color is composed of 102 red, 101 green, and 103 blue, which translates to approximately 40% red, 40% green, and 40% blue. This makes it a nearly neutral color with cool undertones that can evoke different emotional responses depending on its application.
When analyzed in the HSL (Hue, Saturation, Lightness) color space, #666567 has a hue of 270 degrees, a saturation level of 1%, and a lightness value of 40%. The hue angle of 270° places this color firmly in the gray spectrum. In the HSV/HSB color model, this translates to a hue of 270°, saturation of 2%, and brightness/value of 40%.
For print applications using the CMYK color model, #666567 would be reproduced using 1% cyan, 2% magenta, 0% yellow, and 60% black. The closest web-safe color is #666666, which may be useful for ensuring compatibility across older displays and systems.
This color works well in various design contexts. With its medium lightness, it's versatile enough for both foreground elements and subtle backgrounds. The moderate to low saturation gives this color a sophisticated, muted quality that works well in professional and minimalist designs. When pairing #666567 with other colors, consider its complementary color at hue 90° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 6710631, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #666567
Tailwind CSS
stone-500
HEX
#666567
RGB
rgb(102, 101, 103)
RGB %
40%, 40%, 40%
HSL
hsl(270, 1%, 40%)
HSV
hsv(270, 2%, 40%)
CMYK
1%, 2%, 0%, 60%
Decimal
6710631
Web Safe
#666666
🎨 Color Schemes for #666567
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #666567
🌗 Shades and Tints of #666567
Shades (adding black)
Tints (adding white)
🎚️ Tones of #666567
Tones (adding gray / desaturating)
🌈 Hue Variations of #666567
Hue Variations (shifting the color spectrum)
👁️ Preview of #666567 in Use
Text on #666567
This demonstrates text readability on the color background. (Click to edit)
#666567 as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #666567
Check how a color is perceived by people with different types of color blindness to create more accessible designs. Understanding color perception helps ensure your content is accessible to everyone.
Dark Gray is a medium, muted, cool gray color with a hue angle of 270°, saturation of 1%, and lightness of 40%. Its RGB value is (102, 101, 103) and its CMYK breakdown is C:1% M:2% Y:0% K:60%.
This is a Winter (Muted) color palette archetype. Royalty, Luxury, Ambition, Magic. Purple combines the stability of blue and the energy of red.
Frequently Asked Questions About #666567
What is the HEX code for Dark Gray? +
The HEX code for Dark Gray is #666567. In CSS you can use it directly as color: #666567; or as a background: background-color: #666567;. The three-character shorthand is not available for this color since it cannot be reduced without changing the value. Use the full six-character hex for accurate reproduction in any web or design project.
What is the RGB value of #666567? +
The RGB value of #666567 is rgb(102, 101, 103). This means the color contains 102 out of 255 parts red, 101 out of 255 parts green, and 103 out of 255 parts blue. Red is the moderate channel in this color mix. You can use the full RGB function in any CSS property: color: rgb(102, 101, 103);
What is the HSL value of #666567? +
The HSL value of #666567 is hsl(270, 1%, 40%). The hue is 270°, placing it in the gray family on the color wheel. The saturation is 1%, making it muted. The lightness is 40%, making it medium. HSL is the most useful format for programmatic color manipulation in CSS, as you can easily adjust lightness to create tints and shades.
Is #666567 a warm or cool color? +
#666567 is classified as a cool color based on its hue angle of 270°. Cool colors — blues, greens, and purples — evoke calm, trust, and professionalism. They tend to recede visually and create a feeling of space. In design, cool colors are often used for technology, healthcare, and finance brands, as well as anywhere a sense of calm or reliability is needed.
What is the CMYK value of #666567? +
The approximate CMYK value of #666567 is C:1% M:2% Y:0% K:60%. CMYK (Cyan, Magenta, Yellow, Key/Black) is the color model used in physical printing. Unlike RGB which mixes light additively on screens, CMYK mixes inks subtractively on paper. Note that the RGB-to-CMYK conversion is an approximation — screen colors and print colors exist in different color gamuts, and some screen colors cannot be exactly reproduced in print. For precise print work, consult a professional print color profile or Pantone matching system.
