HSLA

HSLAHSLA color values are an extension of HSL color values with an alpha channel - which specifies the opacity for a color. An HSLA color value is specified with: hsla... More color values are an extension of HSLIn HTML, a color can be specified using hue, saturation, and lightness (HSL) in the form: hsl(hue, saturation, lightness) Hue is a degree on the color wheel from 0 to... More color values with an alpha channel – which specifies the opacity for a color.

An HSLAHSLA color values are an extension of HSL color values with an alpha channel - which specifies the opacity for a color. An HSLA color value is specified with: hsla... More color value is specified with: hslaHSLA color values are an extension of HSL color values with an alpha channel - which specifies the opacity for a color. An HSLA color value is specified with: hsla... More (hue, saturationSaturation can be described as the intensity of a color. 100% is pure color, no shades of gray 50% is 50% gray, but you can still see the color. 0%... More, lightnessThe lightness of a color can be described as how much light you want to give the color, where 0% means no light (black), 50% means 50% light (neither dark... More, alpha)

The alpha parameter is a number between 0.0 (fully transparent) and 1.0 (not transparent at all)