Hex Color Code #669C99 — RGB & HSL Conversions
How to use the #669C99 color code in HTML & CSS?
To apply the hex color #669C99 in web design, set the color property inside your CSS stylesheet. For example, adding background-color: #669C99; will paint elements in this cool undertone shade. In modern CSS structures, you can configure it as a custom variable --color-hex: #669C99; or utilize it directly in Tailwind CSS via arbitrary utility values like bg-[#669C99].
What are the RGB and HSL conversion values for #669C99?
In the digital sRGB color space, the hex value #669C99 is converted to RGB values of Red: 102, Green: 156, and Blue: 153. When analyzed under the HSL model, its coordinates correspond to hue angle 177°, 21% saturation, and 51% lightness. This makes it visually a balanced medium tone with a soft, understated pastel shade.
CMYK print code settings for #669C99
When converting #669C99 for CMYK printing, the color separation consists of 35% Cyan, 0% Magenta, 2% Yellow, and 39% key/black. These neutral color boundaries serve as solid structural backgrounds, layouts, and typography grids.
HEX #669C99 Color Space Conversions
Click to copy formatContrast & Accessibility (WCAG 2.1) Check
White text readability test with #669C99
Small body copy preview
Black text readability test with #669C99
Small body copy preview
Complementary & Analogous Harmonies
Perfect matching color schemes for your designsShades & Tints Generator Matrix
Copy shade hex values instantlyDarker Shades (Adding Black)
Lighter Tints (Adding White)
CSS Custom Properties (Variables)
--color-hex: #669C99;
--color-rgb: rgb(102, 156, 153);
--color-hsl: hsl(177deg, 21%, 51%);