The Silverlight appears in 2 Different Forms.
a. A miscoloured form which appears Black, Much like the Darklight, but a deeper black colour.
b. The original Form, Yellow Handle. Silver Blade.
The reason is that, there are 2 different versions.
the normal silverlight was not in game and it was spawned recently in game, it is very rare and most likly extinct, the darker silverlight (not darklight) is hugly leaked now. It used to be a extinct but later got leaked, including other extincts e.g. amulets, rings. This period of godzhell a lot of extincts were leaked and duped. - ibos 100