Resistor Color Code
See the Resistor Color Code Tool to calculate the resistance and tolerance of the color bands on electrical components.
| Color | Digit | Multiplier | Tolerance |
| Black | 0 | 1 | |
| Brown | 1 | 10 | ± 1% |
| Red | 2 | 100 | ± 2% |
| Orange | 3 | 1,000 | |
| Yellow | 4 | 10,000 | |
| Green | 5 | 100,000 | ± 0.5% |
| Blue | 6 | 1,000,000 | ± 0.25% |
| Violet | 7 | 10,000,000 | ± 0.1% |
| Gray | 8 | ± 0.05% | |
| White | 9 | ||
| Gold | 0.1 | ± 5% | |
| Silver | 0.01 | ± 10% | |
| None | ± 20% |