Appendix SQUARE: Identifying brethren of Colored Squares

If there are 4 of the 5 colors (Red, Yellow, Blue, Green, and Magenta) occurring exactly four times each with exactly 1 color missing:
If one color occurs fewer times than any other (no tie), and upon a successful press, the pressed button turns white:
If three colors occur exactly twice each and two occur exactly 5 times each:
If four colors occur exactly once each:
If there are exactly 3 colors that occur only once:
If there are colors besides Red, Blue, Green, Yellow, and Magenta, and there are no duplicate colors:
If one color occurs fewer times than any other (no tie), and upon a successful press, the pressed button turns black:
If there are 16 squares of a uniform color:
If, when the bomb is at a certain angle, the squares change color:
If there are colors besides Red, Blue, Green, Yellow, and Magenta, and there are duplicate colors:
If two colors occur fewer times than the rest (two-way tie):
If four colors occur exactly three times each: