It's definitely worth getting a "high brightness" or "high efficiency" LED. Some of the blue ones are very bright, as are some types of white LED. You will need a different current-limiting resistor for those colours, though, compared to a red LED.
It's definitely worth getting a "high brightness" or "high efficiency" LED. Some of the blue ones are very bright, as are some types of white LED. You will need a different current-limiting resistor for those colours, though, compared to a red LED.