An endless C program showing different terminal colors.

colors.c

#include <stdio.h>

#define KRED  "\x1B[31m"
#define KGRN  "\x1B[32m"
#define KYEL  "\x1B[33m"
#define KBLU  "\x1B[34m"
#define KMAG  "\x1B[35m"
#define KCYN  "\x1B[36m"
#define KWHT  "\x1B[37m"

int main(void) {

	while(1 > 0) {
		switch(rand() % 7) {

			case 0:
				printf(KRED "red");
				break;

			case 1:
				printf(KGRN "green");
				break;

			case 2:
				printf(KYEL "yellow");
				break;

			case 3:
				printf(KBLU "blue");
				break;

			case 4:
				printf(KMAG "magenta");
				break;

			case 5:
				printf(KCYN "cyan");
				break;

			case 6:
				printf(KWHT "white");
				break;
		}

		printf(" ");
	}



    return 0;
}