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%