In Engpsh, the colors red, green, black, yellow, white, and blue are typically referred to by their Engpsh names. Here are a few sentences that use these colors in Engpsh:

The sky is blue.
I bought a yellow shirt at the store.
The grass is green.
She wore a white dress to the wedding.
The walls in my bedroom are painted black.
The traffic pght is red, so we have to stop.

You can also use the words "pink" and "purple" to describe additional colors.