Scarlet

Scarlet was a shade of red and orange.

Members of the Prydonian Chapter were distinguished from the other Chapters by their scarlet and orange robes. (TV: The Deadly Assassin) Morbius, though a member of the Patrex Chapter, (PROSE: The Legacy of Gallifrey) wore a scarlet sash in his first incarnation as part of his outfit as "the General", replacing the golden Sash of Rassilon which had been taken from him upon his exile from Gallifrey. (PROSE: Warmonger)

Captain Scarlet. (PROSE: Is Scarlet Dead?)

Captain Scarlet was the codename of Paul Metcalf, an indestructible agent of Spectrum. (COMIC: Traitor Black Gives In!)

Gwen Cooper wore a scarlet shirt throughout the 21st century Dalek invasion. (TV: The Stolen Earth, Journey's End)

Amy Pond wore a scarlet v-neck top under her chocolate brown bomber jacket. (TV: Victory of the Daleks; GAME: City of the Daleks, Blood of the Cybermen, TARDIS, Shadows of the Vashta Nerada) She also wore a scarlet hoodie during her first encounter with Weeping Angels. (TV: The Time of Angels|Flesh and Stone)

The War Doctor wore a scarlet scarf when working with Alice Obiefune. (COMIC: First Rule, The Organ Grinder, Kill God, Fast Asleep)

The Seventh Doctor wore a scarlet paisley tie; (TV: Time and the Rani) most notably: when ending the Paradise Towers Massacre, (TV: Paradise Towers) when protecting Delta from Bannermen, (TV: Delta and the Bannermen) when meeting Ace, (TV: Dragonfire) when foiling Davros's Imperial Daleks and the Supreme's Renegade Daleks during the Hand of Omega Incident, (TV: Remembrance of the Daleks) when resisting Helen A and the Kandyman, (TV: The Happiness Patrol) when keeping the Nemesis from Isomorph Cybermen and Neo-Nazis as well as Peinforte during the 1988 Cyberman Invasion of Earth, (TV: Silver Nemesis) and when dealing with Sontarans and Rutans. (PROSE: Shakedown) He also wore a single-breasted waistcoat of scarlet brocade up to his death. (TV: Doctor Who)

The Fourth Doctor wore a deerstalker cap and Inverness cape of tan and scarlet tartan as part of his detective outfit. (PROSE: Nanomorphosis, Evolution; AUDIO: The Merfolk Murders, COMIC: Gaze of the Medusa, TV: The Talons of Weng-Chiang)

Leela wore a scarlet cravat with her walking suit when she and the Fourth Doctor met Magnus Greel in 1892. (TV: The Talons of Weng-Chiang)

The Third Doctor wore an Inverness cape of emerald and scarlet tartan during his first visit to Peladon. (TV: The Curse of Peladon)

Rose Tyler wore a scarlet hoodie before, during and after the Battle of the Game Station in which she in her wolf deity form slew a Dalek Fleet including their Emperor and his Elite Guard; and when she witnessed the Ninth Doctor's regeneration. (TV: Bad Wolf|The Parting of the Ways, Born Again, The Christmas Invasion)

Liz Shaw wore a scarlet shirt. (TV: Inferno)

Henry Jago wore a scarlet waistcoat when the Sixth Doctor took him and George Litefoot to Venus. (AUDIO: Voyage to Venus)

Jo Grant wore a scarlet chiffon scarf when she first met Mark IV Daleks including a gold leader as well as their Controller and Ogrons during the Time Paradox Incident; (TV: Day of the Daleks) and when helping many versions of the Doctor and companions. (GAME: Lost in Time) She also wore an asymmetrical jacket of chestnut and scarlet tartan when she helped foil more including a Supreme from the Dalek Council during the Spiridon Incident. (TV: Planet of the Daleks)

The Eighth Doctor wore scarlet trousers during a visit to India in the 20th century. (PROSE: The Eye of the Tyger)

The Fifth Doctor wore a beige frock coat with a scarlet trim. (TV: Castrovalva-Warriors of the Deep) After his clothes were ruined by a Xaranti, (PROSE: Deep Blue) he wore a silver grey overcoat with a scarlet trim. (TV: The Awakening-The Caves of Androzani) His successor, the Sixth Doctor, wore it during his first hours; (TV: The Caves of Androzani) before changing for his patchwork frock coat. (TV: The Twin Dilemma)

The Tenth Doctor wore a scarlet shirt during an adventure in the Torajii system. (TV: 42)

The Twelfth Doctor wore a scarlet dress shirt. (TV: The Pyramid at the End of the World)

Sarah Jane Smith wore alabaster overalls with scarlet stripes and three maroon stars during her last adventure with the Fourth Doctor, (TV: The Hand of Fear) and her reunion with the Third Doctor in the First Rani's trap. (TV: Dimensions in Time)

Ace wore a scarlet t-shirt when destroying six war fleets of the Kla-Shi-Kel. (COMIC: The Armageddon Gambit) when helping Group Captain Gilmore with Markarians, (COMIC: Operation Volcano)

Romana wore a scarlet frock coat in her second incarnation. (TV: The Horns of Nimon; COMIC: Time Lady of Means)

Oswin Oswald, one of Clara Oswald's splinters converted into a Mark VIII Dalek, wore a scarlet dress during the Asylum Incident. (TV: Asylum of the Daleks)

Jackson Lake wore a double-breasted waistcoat of scarlet brocade with a shawl collar and a gold fob watch while Rosita had scarlet on her walking skirt when they worked with the Tenth Doctor to stop Cybermen from Pete's World during the 1851 Incident. (TV: The Next Doctor)

Charlotte Pollard wore a Napoleonic frock coat in scarlet with gold trims during her Christmas adventure. (AUDIO: Twenty-Four Doors in December-Winter of the Demon)

The Fifteenth Doctor wore a mint green cardigan with a beige trim and stripes done in mustard yellow, scarlet, and raven black. (TV: The Church on Ruby Road)

Lord Barton wore a scarlet waistcoat as did the member of the Chulder who took his place in 1813. (TV: Rogue)

The Toymaker wore a shako and frock coat done in scarlet and ivory with gold trims when he plays the Spice Girls song Spice Up Your Life while messing with UNIT in London during 2023. Melanie Bush wore a scarlet blouse when she witnessed his defeat and the Fifteenth Doctor’s birth. (TV: The Giggle)

The Child Master wore a scarlet shirt under his black jacket, (COMIC: The Organ Grinder) right to his death. (COMIC: Fast Asleep)

Li Shou Yuing wore a scarlet shirt when she met the Seventh Doctor and Ace during their encounter with Morgaine and the Destroyer. (TV: Battlefield)

The Monk wore a scarlet robe. (PROSE: The Persistence of Memory)

Eve's skin was scarlet. (TV: The Mad Woman in the Attic)

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

Edward Waterfield also wore a scarlet cravat in basic bow form. (TV: The Evil of the Daleks)