declare -a arr=()
arr[1]='gray92'
arr[2]='gray68'
arr[3]='gray36'
arr[4]='gray17'
arr[5]='blue'
arr[6]='cyan'
arr[7]='green'
arr[8]='DarkGreen'
arr[9]='yellow'
arr[10]='orange'
arr[11]='brown'
arr[12]='red'
arr[13]='pink'
arr[14]='magenta'
arr[15]='violet'