There no significance to the colors of a menorah or the colors of the candles. It's just a matter of style and preference.
There are no traditional colors for Hanukkah candles. They can be anything.
the menorah can be any color and the candles too. most Jewish people have a silver menorah to make the mitzvah prettier for g-d.
The candles on the Menorah can be of any color.
There are only eight candles on the menorah; plus a ninth which is used to light the other candles.
there are 8 candles
There are no traditional colors for a menorah.
There is no rule about the colors of a menorah.
The menorah of the Holy Temple had 7 oil lamps (Exodus ch.25). However the specialized Hanukkah menorah (Chanukiah) has 9 candles.
The candles (or oil) of the menorah are lit with the shamash (the helper candle), which is positioned on the menorah either slightly higher or lower than the other candles but not on the same level as them.
The candles are put into the Hanukkiah (Hanukkah-menorah) starting on the first evening) of Hanukkah. The candles are lit in the early evening after sunset or later.
For the Hanukkah menorah (chanukiah), any kind of candle that will fit, provided they burn at least 1/2 hour after dusk.