Common resistor values for LEDs

If you are messing around with LED’s and development boards, like the Raspberry Pi or NodeMCU, then a good rule of thumb is to use a 220 ohm resistor. The 220 ohm resistory will work with a 3.3v or 5v feed and cover any color in the bag of LEDs.

LED color 3.3V 3.7V 5V 6V 9V 12V
AMBER
2.1V, 20mA
68 Ohm
1/8 W
82 Ohm
1/8 W
150 Ohm
1/8 W
220 Ohm
1/8 W
390 Ohm
1/4 W
560 Ohm
1/4 W
BLUE
3.2V, 20mA
5.6 Ohm
1/8 W
27 Ohm
1/8 W
100 Ohm
1/8 W
150 Ohm
1/8 W
330 Ohm
1/8 W
470 Ohm
1/4 W
GREEN
2.1V, 20mA
68 Ohm
1/8 W
82 Ohm
1/8 W
150 Ohm
1/8 W
220 Ohm
1/8 W
390 Ohm
1/4 W
560 Ohm
1/4 W
ORANGE
2V, 20mA
68 Ohm
1/8 W
100 Ohm
1/8 W
180 Ohm
1/8 W
220 Ohm
1/8 W
390 Ohm
1/4 W
560 Ohm
1/4 W
PINK
3.2V, 20mA
5.6 Ohm
1/8 W
27 Ohm
1/8 W
100 Ohm
1/8 W
150 Ohm
1/8 W
330 Ohm
1/8 W
470 Ohm
1/4 W
PURPLE
3.2V, 20mA
5.6 Ohm
1/8 W
27 Ohm
1/8 W
100 Ohm
1/8 W
150 Ohm
1/8 W
330 Ohm
1/8 W
470 Ohm
1/4 W
RED
1.8V, 20mA
82 Ohm
1/8 W
100 Ohm
1/8 W
180 Ohm
1/8 W
220 Ohm
1/8 W
390 Ohm
1/4 W
560 Ohm
1/4 W
WHITE
3.2V, 20mA
5.6 Ohm
1/8 W
27 Ohm
1/8 W
100 Ohm
1/8 W
150 Ohm
1/8 W
330 Ohm
1/8 W
470 Ohm
1/4 W
YELLOW
2V, 20mA
68 Ohm
1/8 W
100 Ohm
1/8 W
180 Ohm
1/8 W
220 Ohm
1/8 W
390 Ohm
1/4 W
560 Ohm
1/4 W
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