Use the reference page to find and use the Coolors Color Scheme generator to change the spacer class and the called class

Kirk's Bingo Board #1

1318222907
0912171625
0532280336
2615043423
1139244031

Kirk's Bingo Board #2

1401203106
0338092816
1929222315
1337120239
3032051734

Kirk's Bingo Board #3

2129360413
0330381002
3523193240
0626181214
3111281625

Kirk's Bingo Board #4

3306270422
1002162615
2524070939
1917143136
1205200113