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Resistor Color Code Guide
ElectronicsLearn to read resistor values using the colored bands.
Reading Resistor Color Codes
Resistors use colored bands to indicate their resistance value. This system allows manufacturers to mark small components that would be impossible to print numbers on.
Example: Brown-Green-Red-Gold = 1500Ω ±5%
Color Code Chart
| Color | Digit | Multiplier | Tolerance |
|---|---|---|---|
| Black | 0 | ×1 | — |
| Brown | 1 | ×10 | ±1% |
| Red | 2 | ×100 | ±2% |
| Orange | 3 | ×1K | — |
| Yellow | 4 | ×10K | — |
| Green | 5 | ×100K | ±0.5% |
| Blue | 6 | ×1M | ±0.25% |
| Violet | 7 | ×10M | ±0.1% |
| Gray | 8 | — | ±0.05% |
| White | 9 | — | — |
| Gold | — | ×0.1 | ±5% |
| Silver | — | ×0.01 | ±10% |
Mnemonic to Remember
"Better Be Right Or Your Great Big Venture Goes Wrong"
(Black, Brown, Red, Orange, Yellow, Green, Blue, Violet, Gray, White)
Try Our Calculator
Use our Resistor Color Code Calculator to quickly decode any resistor!