No. It is disrespectful and not the place to wear them. A funeral is like church where you wear an appropriate outfit.
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normal clothes that they wear
everyone gathered at his Funeral. funeral is to respect the dead.
black clothes
yes
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well it depends in wich religion you are so for example i could wear any color in a funeral but if you fell that you can wear any color you can
Road workers will usually wear a neon yellow jacket but depending on what they have they may wear a neon green, yellow, or orange jacket when working.
a tux
yes
The proper colors to wear to a funeral are dark colors especially white. This is an instance where you do know want to stand out. Hope this helps.