Tanas is not a word in the most common 2000 words in English. Did you mean 'tan'?
If someone says 'tanas', they might mean 'tan' which is a color you get from the sun.
Examples:
She has a nice tan from the sun.
I want to tan at the beach.
The tan on the wall is very light.
He gets a tan every summer.
I have a tan like a bear.
The tan on the wood is very pretty.