The silver is pretty bright. Not as bright as you might think, but it's a nice pure whitish color. Perfect for an Imperial Knight saber, which is what I'm sure you're going for
Just fyi, most of the LEDs run off 4 AAA batteries. At least for standard Alkalines. The only ones that don't are Fire Orange and Blazing Red, which require less power to run. They use 2 AAA batteries.
Interesting, i got thrown for a loop too cause i think i heard someone say they put NiMHs in there and it had an "electric green" look to it..odd.
Sidenote: I bought some lee filters to fool around with
(too many side notes....)