Bands Color 1 2 3 4* black 0 0 1 brown 1 1 10 red 2 2 100 orange 3 3 1,000 yellow 4 4 10,000 green 5 5 100,000 blue 6 6 1,000,000 violet 7 7 10,000,000 gray 8 8 100,000,000 white 9 9 n/a gold ± 5% silver ± 10% none ± 20% *Band 4 is optional and is used to indicate tolerance.