Wiktionary
color charges
n. (color charge English)
Usage examples of "color charges".
For the case of the gauge symmetry associated with shifting quark-color charges, the required force is none other than the strong force itself.
That is, without the strong force, physics would change under the kinds of shifts of color charges indicated above.
Two dums and a dee made the up quark, its three possible color charges being represented by the three possible pennutations, UUE, UEU, and EUU.