APC titans come in white too (and red, blue, green, purple, and a few other colors). I think those are the ones hes talking about, since hes talking about them matching the headlights' color.
To match the silverstars, you will need to find a 1157 bulb with the similar light blue coating/tint. Its the tint that actually gives the bulb its color. Note that it may match colors with the same coating, but it wont match in intensity, which may make it look different. Regular bulbs with a light blue tint are also know as "super white" or "hyper white". If you put a super white in behind a clear corner, itll look like a blue thumb sticking out though. APC titans, which are bulbs with a chrome look, dont come in super white, but the chrome coated 1157's that Autolumination sells does.
http://autolumination.com/1156_1157.htm
At the bottom - 1157 Silver Vision in Super White. 2.99 ea.
I dont know how they would look, Ive never ordered them, just sharing info. I did order the Silver Vision amber bulbs from them, and they are very similar to the APC titans, except the chrome coating is slightly thicker, so you dont see that orange refraction during the daylight that you get with the APC titans. Its got a nice chrome look all the time, but the thicker coating also means its a little dimmer than the titans. Its not too much darker, and the orange refraction was a little annoying, so the amber Silver Visions have a new home in my corners. Since their so cheap, and theres some other bulbs I need, I may order the super white ones to see how they look.