Ah, here is a trivial program to demo the new 256 color palette on the console:
#include <stdio.h> int main() { int i; printf ("\x1b[m\n"); for (i=0;i<256;i++) { printf ("\x1b[38;5;%dm#%03d %s",i,i, ((i+1) % 16 ? "" : "\n")); } printf ("\x1b[m\n"); for (i=0;i<256;i++) { printf ("\x1b[48;5;%dm#%03d %s",i,i, ((i+1) % 16 ? "" : "[m\n")); } printf ("\x1b[m\n"); }