IO.ANSI.color_background

You're seeing just the function color_background, go back to IO.ANSI module for more information.

Specs

color_background(0..255) :: String.t()

Sets background color.

Link to this function

color_background(r, g, b)

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Specs

color_background(0..5, 0..5, 0..5) :: String.t()

Sets the background color from individual RGB values.

Valid values for each color are in the range 0 to 5.