Fire-engine red. Egg-yolk yellow. Christmas-tree green.

The palettes of this year’s potential Oscar contenders can be summed up in one word: Bold.

“Everybody on Pedro’s sets ends up wearing really strong colors,” said Inbal Weinberg, the production designer who dreamed up the striking, primary color-heavy visual aesthetic for Pedro Almodóvar’s euthanasia drama, “The Room Next Door.”

We spoke with the costume, production and makeup designers for three of this year’s potential Oscar contenders — “The Substance,” “The Room Next Door” and “Wicked” — about choosing just the right shades, creating striking sets and costumes that don’t overwhelm the story and finding the secret ingredient for Elphaba’s green makeup.

Red: ‘The Room Next Door’

Even though the “The Room Next Door” tells a downbeat tale — about Ingrid (Julianne Moore) and her dying friend, Martha (Tilda Swinton) — the screen is bursting with vibrant tomato reds and electric lime greens.

“It was important to Pedro not to go into the cliché universe in which, if you’re telling a really dark story, you also have these demure interiors or a drab color palette,” said Weinberg, who worked with Almodóvar to create eye-catching monochromatic sets (like a red kitchen, with a red counter, bowls, apples, strawberries and even a phone lock screen).