So I wonder if your question has something transparent but colored in it, like clear red plastic or blue sky?

For a brief second my finger touched the warm surface of the red plastic.

The tablets were each about ten centimetres high and five wide, made of red plastic.

The red plastic handle was badly chipped and impossible not to recognize.

There are teacups made of red plastic on the table, and a little teapot.

On the red plastic clock above the television set it was 15 minutes after 11 in the morning on May 7, 1980.

One man lay on the ground by the front door, aiming a red plastic "play gun" around.

The grips are red plastic, molded with a dragon on either side.

The folder was made of red plastic and had a snap closure.

The red plastic in the gutters might be that old too.