HSLA color code, an extension of the HSL color model, adds an Alpha channel to the mix. HSLA stands for Hue, Saturation, Lightness, and Alpha.
HSLA color codes are particularly useful in web design and graphic design, allowing designers to define colors with varying transparency levels, enhancing control over the visual appearance and layering of elements in digital content.
A HEXA color code often written as "hex with alpha" is a hexadecimal color representation that includes an alpha component, similar to the rgba color format. In this format, in addition to the standard six characters that define the red, green, and blue (RGB) components, two additional characters represent the alpha channel, which controls the color's transparency or opacity. The alpha channel ranges from 00 (completely transparent) to FF (completely opaque), allowing for a wide range of transparency levels in a color. This format is commonly used in web design and graphic design to specify colors with transparency, providing control over the visual appearance of elements on a web page or in digital graphics.