If language does affect colour-perception, then it is more likely to affect perceptions from the right visual field than the left.

ECONOMIST: Psychology

If the optic disc, a portion of the optic nerve, is swollen, and the patient has symmetrical decreased field of vision, such as a decreased right visual field in both eyes, they may need an evaluation for a brain tumor a rare circumstance.

WSJ: What Your Eyes Reveal About Your Health

They found that they got the effect whichever visual field they presented the test to, but it was stronger when the presentation was to the right one (ie, to the left-hand, language-processing side of the brain), than to the left one.

ECONOMIST: Psychology