C program to echo ANSI colors (8, 16 and 256)

color.c

#include <stdio.h>

#define CLEAR "\x1b[0m"
#define HEADER_COLOR "\x1b[31;1;4m"

/*
 * Displays the ANSI colors in the 8 set, the 16 set and the 256 set.
 */
int main()
{
    int item = 0;
    int code = 0;

    printf("\r\n\%s8 ANSI Color Codes%s\r\n\r\n", HEADER_COLOR, CLEAR);

    for (int i = 30; i <=37; i++)
    {
        printf("\033[0;%dm%2d ", i, i);
    }

    printf("\r\n\r\n\%s16 ANSI Color Codes%s\r\n\r\n", HEADER_COLOR, CLEAR);

    for (int i = 30; i <=37; i++)
    {
         printf("\033[0;%dm%2d \033[1;%dm%2d ", i, i, i, i);
    }

    printf("\r\n\r\n\%s256 ANSI Color Codes%s\r\n\r\n", HEADER_COLOR, CLEAR);

    for (int i = 0; i < 16; i++)
    {
        for (int j = 0; j < 16; j++)
        {
            item++;
            int code = i * 16 + j;
            printf("\033[38;5;%dm%3d ", code, code);

            if (item % 20 == 0)
            {
                printf("\r\n");
            }

        }
    }

    // Reset terminal color
    printf("\r\n\r\n%s", CLEAR);

    return 0;
}