What does it mean to dream about gray?
Gray often suggests neutrality, dullness, or uncertainty, the in-between of black and white where things are unclear.
Four ways to read it
Each reading below comes from a named tradition and a cited source, so you can see where it came from and decide what fits your dream.
Freud
Freud would read gray as a muted, in-between tone, perhaps the colour of feeling held back or undecided. He might ask what the greyness covered and whether it brought flatness or relief. The hue's very dullness could be the point.
After Freud, The Interpretation of Dreams (Brill trans., 1913), public domain.Jung
Jung would see gray as the meeting of black and white, a colour of neutrality and the undifferentiated. It can read as balance and a calm middle ground, or as dullness, fog, and the loss of vivid feeling. The dream's tone tells you which.
Jungian concept (our summary).Modern
Under the continuity view, gray often follows from a flat, uncertain, or low waking mood, the sense of things being unclear or dreary. It can also echo a grey day or grey surroundings. What the colour brings to mind for you is the best guide.
Continuity hypothesis (our summary).Mythological
Gray was the colour of ash, of age, and of the threshold between things, neither dark nor light. It clothed the wise elder and the wanderer, and marked the dim middle places between worlds in older lore. It has long stood for the in-between.
Rosmerta Publishing editorial synthesis (after Bulfinch; Brewer).