color up

Verb

 * 1) To blush (to go red).
 * 2)  To exchange a high number of low-value chips (of one color) for a lower number of higher value (of a different color), but keeping the same overall value.
 * 1)  To exchange a high number of low-value chips (of one color) for a lower number of higher value (of a different color), but keeping the same overall value.