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The hexadecimal color code #218196 is a dark, vibrant shade of Cyan (known as darkcyan). In the RGB color model, #218196 is comprised of 33 red, 129 green, and 150 blue. In the HSL color space, which is often used in digital design and color grading, it has a hue of 191 degrees, a saturation of 64%, and a lightness of 36%. This color has an approximate wavelength of 517 nm. The closest web-safe color is often utilized in web design, user interfaces (UI), and vector graphics to create vibrant Cyan atmospheres. Designers searching for Cyan color schemes often pair this with its complementary color or use it as an accent against neutral backgrounds. It is commonly used in digital design for backgrounds, typography, and accent elements. When paired with its complementary color in the palette below, it creates a high-contrast visual hierarchy. Engineers can implement this color using the CSS hex code #218196.