Show HN: Distinct Color Palette generator using Red-Yellow-Blue colorspace

#!/usr/bin/gawk -f

function ranint (x) { return int(rand() * x) } function hex (x) { return sprintf("%02x", x) }

BEGIN {

     mc = 96             # max color

     # Seed RNG using nanoseconds
     cmd="date +%N"
     cmd | getline seed
     close(cmd)
     srand(seed)

     r = ranint(mc)
     g = ranint(mc)
     b = ranint(mc)
     printf( "rxvt -bg \x27#%s%s%s\x27 -fg gold -cr blue &\n", hex(r), hex(g), hex(b) )
 }