These colors are either paired with a color representing a metal -LRB- often black , brown , gray/silver , white , or gold/yellow -RRB- , or occasionally each other , such as orange/green , blue/orange , or blue/red .

These colors are either paired with a color representing a metal -LRB- often black , brown , gray -LRB- or silver -RRB- , white , or gold -RRB- , or occasionally each other , such as orange/blue , red/green , or blue/yellow .
