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Resistor Color Codes
The Standard EIA Resistor Color Code is used to imprint a resistor's
value and tolerance in a standardized shorthand. Resistors will have
either four or five color bands. The basic method of determining the
value is the same for each, but there are some minor differences.
Four-band Resistors
|
Color |
1st
band (1st figure) |
2nd
band (2nd figure) |
3rd
band (multiplier) |
4th
band (tolerance) |
| Black | 0 | 0 | 100 | |
| Brown | 1 | 1 | 101 | |
| Red |
2 |
2 |
102 |
±2% |
| Orange |
3 |
3 |
103 |
|
| Yellow |
4 |
4 |
104 |
|
| Green | 5 | 5 | 105 | |
| Blue | 6 | 6 | 106 | |
| Violet | 7 | 7 | 107 | |
| Gray |
8 |
8 |
108 |
|
| White |
9 |
9 |
109 |
|
| Gold |
10-1 |
±5% |
||
| Silver |
10-2 |
±10% |
Five-band Resistors
|
Color |
1st
band (1st figure) |
2nd
band (2nd figure) |
3rd
band (3rd figure) |
4th
band (multiplier) |
5th
band (tolerance) |
| Black | 0 | 0 | 0 | 100 | |
| Brown | 1 | 1 | 1 | 101 | ±1% |
| Red |
2 |
2 |
2 |
102 |
|
| Orange |
3 |
3 |
3 |
103 |
|
| Yellow |
4 |
4 |
4 |
104 |
|
| Green | 5 | 5 | 5 | 105 | |
| Blue | 6 | 6 | 6 | 106 | ±0.5% |
| Violet | 7 | 7 | 7 | 107 | ±0.25% |
| Gray |
8 |
8 |
8 |
108 |
±0.1% |
| White |
9 |
9 |
9 |
109 |
|
| Gold |
10-1 |
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