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

4-band resistor


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





 
 

5-band resistor


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