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The hexadecimal color code #81C1EF is a light, vibrant shade of Cyan (known as skyblue). In the RGB color model, #81C1EF is comprised of 129 red, 193 green, and 239 blue. In the HSL color space, which is often used in digital design and color grading, it has a hue of 205 degrees, a saturation of 77%, and a lightness of 72%. This color has an approximate wavelength of 508 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 #81C1EF.