White

White was a colour. White light was composed of all colours in the visible spectrum. (PROSE: The Squire's Crystal)

White was the colour of mourning in India. For this reason, members of the cult which worshipped the Skang also dressed in white. (PROSE: Island of Death)

The Necros Daleks had white casings with gold globes and panels, (TV: Revelation of the Daleks) as did the Imperial Daleks had white casings. (TV: Remembrance of the Daleks; AUDIO: The Curse of Davros, Terror Firma) A white Dalek was present on Moldox near the close of the Last Great Time War. (PROSE: Engines of War) Soon the Supreme Daleks of the New Dalek Paradigm were identified by their white casings. (TV: Victory of the Daleks, The Pandorica Opens, The Wedding of River Song, Asylum of the Daleks; GAME: City of the Daleks) A white Dalek was present at the Starbane. (GAME: The Doctor and the Dalek)

White

Davros, creator of the Daleks, briefly had a white chair with gold globes, (AUDIO: The Juggernauts) and was also housed with a white casing with gold globes during his time as Emperor. (COMIC: Emperor of the Daleks; TV: Remembrance of the Daleks, Terror Firma)

Rose Tyler wore a white tank top when she met the Metaltron Dalek, the first of its kind she ever met, and Adam Mitchell during the Van Statten Incident. (TV: Dalek)

The War Doctor wore a white scarf when he used a molecular fruit bomb to transform the factories of Villengard into a banana grove to prevent it from supplying weapons to Daleks. (COMIC: The Whole Thing's Bananas)

The Seventh Doctor wore a white shirt. (TV: Time and the Rani). He also wore a paisley banded white fedora (PROSE: White Darkness) that he had had made especially for him. (PROSE: First Frontier)

The Thirteenth Doctor wore a white undershirt. (TV: The Woman Who Fell to Earth) When gatecrashing Daniel Barton's casino themed party, she wore a white shirt. (TV: Spyfall)

Yasmin Khan wore a white blouse under a navy walking suit during her encounter with Nikola Tesla. (TV: Nikola Tesla's Night of Terror)

Ace wore white t-shirts with pictures. (TV: Remembrance of the Daleks, Silver Nemesis). She also wore a white blouse with navy stripes, (TV: The Happiness Patrol, The Greatest Show in the Galaxy) and also a white shirt with her tuxedo. (TV: Ghost Light)

Romana wore a white scarf shortly after regenerating. (TV: Destiny of the Daleks)

Clara Oswald once wore a white blouse with a black cardigan and tartan skirt. (TV: The Time of the Doctor) She also wore a white shirt with her undercover suit. (TV: Time Heist)

Jenny Flint wore a white shirt with her waistcoats and trousers. (TV: A Good Man Goes to War, Deep Breath; PROSE: The Dangerous Dilemma of the Dream Doorway; COMIC: The Lost Dimension, etc.)

The Tenth Doctor wore a white shirt shortly after regenerating, (TV: The Christmas Invasion) as did the Fourteenth Doctor. (TV: The Power of the Doctor)

The Eleventh Doctor wore a white shirt. (TV: Death of the Doctor)

Emily Morris wore a white shirt with her ivory cravat with black marks, her cream waistcoat with tan stripes, and her beige walking skirt. (TV: Lost in Time)

Victoria Waterfield wore a white blouse with her tan tweed jacket. (TV: The Abominable Snowmen, The Ice Warriors)

Nyssa wore a sapphire and white blouse during her second encounter with the Mara. (TV: Snakedance)

Bliss wore a white t-shirt under her denim jacket. (AUDIO: State of Bliss)

Allison Williams wore a white shirt under her beige cardigan when she helped the Seventh Doctor during the Hand of Omega Incident. (TV: Remembrance of the Daleks)

Lisa Deranne wore a white shirt when she and her crew met Sontarans including Commander Steg and Lieutenant Vorn. (HOMEVID: Shakedown: Return of the Sontarans)

Mr Copper wore a white and black tattersall shirt. (TV: Voyage of the Damned)

The Master wore white shirts in his sixth, (TV: Spearhead from Space-Frontier in Space), John Smith, (AUDIO: Master) bald, (AUDIO: Eyes of the Master), war, (AUDIO: Beneath the Viscoid; TV: Utopia), and Saxon incarnations. (TV: The Sound of Drums|Last of the Time Lords), He also wore a white Stetson in his bald incarnation. (AUDIO: The Death of Hope) Missy, his gender-switched incarnation, wore a white blouse. (TV: Deep Breath-The Doctor Falls) His spy incarnation also wore a white shirt when posing as O, (TV: Spyfall) and also a copy of the Tenth Doctor's white shirt when he stole the Doctor's body. (TV: The Power of the Doctor)

The commanding Eternals of the Shadow including Striker and Marriner wear white shirts under their double-breasted black peacoats. (TV: Enlightenment)

The Trickster, who normally wore black, wore a white robe and gloves when he posed as an angel to deceive Peter Dalton. (TV: The Wedding of Sarah Jane Smith)

Doctor Olivia Steele wore a white lab coat. (PROSE: Exodus Code)

The Dream Lord wore a white shirt with two suits he wears on the dream world. (TV: Amy's Choice)

The Pied Piper wore a white shirt when posing as Mr. Spellman, director of Spellman's Magical Museum of the Circus. (TV: The Day of the Clown)

The Ringmaster of the Psychic Circus wore a white shirt. (TV: The Greatest Show in the Galaxy)

Flores wore a white shirt when he met the Seventh Doctor, Ace, and Cybermen on England during 1988. (TV: Silver Nemesis)   

Chronovores sometimes appeared as pure-white humanoids. (TV: The Time Monster) Chorodorons had white skin, (PROSE: Dreamstone Moon) as did gelem warriors. (PROSE: Ghosts of India)

The trees in the petrified jungle on Skaro were white, having been turned to stone. (TV: The Daleks)

In 1955, Alabama, people who were perceived as white were allowed to ride at the front of buses while all those who were viewed as non-white were made to get on via a side entrance and forced to sit at the back. There were also whites-only motels, like the Sahara Springs Motel. (TV: Rosa)

In Through the Eye of Eternity, the White Eye of Eternity only appeared once, before an episode about a wedding. The episode was followed by a rash of engagements among the show's fanbase. (PROSE: The Book of the War)

The robots in the Land of Fiction were white. (TV: The Mind Robber)

In Jo Grant's home, there was a white wicker laundry basket and a pair of white moon boots between her stained-oak wardrobe and the wall in her bedroom. (PROSE: Genocide)