Form button – After selection state

On an website i'm reviewing there's a short form where a user needs to make a selection (Green or Red) and than submit his request. The currently applied method for the button state after making the selection, is as you see in the attached image. Do you find it clear? (i.e. reassure the selected decision, feel relaxed to submit, If i return to it after a few minutes, is it clear what was the previous selection made? What is a preferable way to show the not-selected option?