Monochrome

Monochrome, or, more colloquially, black and white, was the term relating to a single colour or hue.

Haemovariforms' vision was monochromatic. (TV: Tooth and Claw)

The Doctor's first two incarnations were said to have had monochromatic vision due to colour blindness; the War Doctor mused over this after noticing the new colour balance in his eyes shortly after his regeneration. (PROSE: The Day of the Doctor) In another account, the Third Doctor recalled noticing the colours of the rocks on Gallifrey in his first incarnation after meeting a hermit on the mountainside. (TV: The Time Monster)

Upon arriving in New York, 80 years in the past from her own time, Martha Jones recalled the sight of its depiction in "old black and white newsreels". (TV: Daleks in Manhattan)