CSS RGB Colors
An RGB color value represents RED, GREEN, and BLUE light sources.
RGB Value
In CSS, a color can be specified as an RGB value, using this formula:
rgb(red, green, blue)RGB Color Examples
rgb(255, 0, 0)
rgb(0, 0, 255)
rgb(60, 179, 113)
rgb(238, 130, 238)
rgb(255, 165, 0)
rgb(106, 90, 205)
RGBA Value
RGBA color values are an extension of RGB color values with an alpha channel — which specifies the opacity for a color.
An RGBA color value is specified with:
rgba(red, green, blue, alpha)RGBA Transparency Preview
rgba(255, 99, 71, 0)
rgba(255, 99, 71, 0.2)
rgba(255, 99, 71, 0.4)
rgba(255, 99, 71, 0.6)
rgba(255, 99, 71, 0.8)
rgba(255, 99, 71, 1)