func ColorRGBBackground(r, g, b int) {
	fmt.Fprintf(Output, "\033[48;2;%d;%d;%dm", r, g, b)
}
Select RGB Background color
package goTerminal
import "fmt"
func Color256Foreground(Color int) {
	fmt.Fprintf(Output, "\033[38;5;%dm", Color)
}
func Color256Background(Color int) {
	fmt.Fprintf(Output, "\033[48;5;%dm", Color)
}
func ColorRGBForeground(r, g, b int) {
	fmt.Fprintf(Output, "\033[38;2;%d;%d;%dm", r, g, b)
}