How Pixar Invented the Color Script: Mapping a Movie's Emotions Before Anyone Draws a Frame

The sketch that decides a movie before anyone animates a frame

Before a single character is modeled, before a single line of dialogue is recorded, someone at Pixar sits down with a long strip of paper and starts filling it with color. No characters, no backgrounds, just blocks and gradients of hue moving from one end to the other. That strip is called a color script, and it has quietly shaped how nearly every Pixar film looks and feels since 1995.

A color script isn't concept art. It's a map of a movie's entire emotional arc, told only through color, value, and saturation, and drawn before most of the film exists. Directors use it to check whether the story's mood is actually landing in the right places, long before there's anything to watch.

What a color script actually shows

A color script lays out a whole film as a single sequence of color keys, usually one per scene or sequence, arranged left to right in the order they'll appear on screen. There's no dialogue, no character acting, sometimes barely a recognizable shape. What matters is temperature and intensity: does this scene feel warm or cold, loud or quiet, hopeful or bleak?

Author Amid Amidi, who wrote "The Art of Pixar: The Complete Color Scripts and Select Art from 25 Years of Animation," describes it as "an early attempt to map out the color, lighting, emotion and moods in a film." It develops alongside the story, not after it. Because computer animation is produced out of order, with different teams working on different scenes at once, the color script is one of the only documents that shows the whole film's shape at a glance.

That's the real use case. A director can hold up the strip and immediately see where the movie goes quiet for too long, or where three consecutive scenes read the same emotional temperature when they shouldn't.

Where it came from: pastels on black paper

The person who brought the color script to Pixar was Ralph Eggleston, and he didn't invent it there. Eggleston first used the technique as art director on "FernGully: The Last Rainforest" in 1992, working at Kroyer Films before Pixar existed as a feature studio. He carried the habit with him when he joined Pixar and became art director on "Toy Story," his first credited Pixar film, released in 1995.

His tool of choice was chalk pastel on black paper. It was fast, cheap, and forgiving, which mattered because a color script isn't meant to be a finished piece of art. It's meant to be redrawn constantly as the story changes. When director John Lasseter first saw Eggleston's color script for "Toy Story," the effect was immediate. He could see exactly where the emotional intensity built as the colors turned more vivid, and where the mood dropped as they turned muted. It changed how he directed the rest of the film.

Eggleston stayed at Pixar for three decades, working as art director or production designer on "Toy Story," "A Bug's Life," "Monsters, Inc.," "Finding Nemo," "WALL-E," "Ratatouille," and "Incredibles 2," and directing the Oscar-winning short "For the Birds" in 2000. He won an Annie Award for Best Art Direction on the original "Toy Story," the film that started all of it.

Case study: grief and color in "Up"

The clearest example of a color script doing real narrative work is "Up," directed by Pete Docter in 2009. Artist Lou Romano built the film's color script, and it tracks almost exactly with the story everyone remembers crying at.

The opening is bright and saturated. Ellie enters Carl's life and brings color with her, literally, as the palette warms and intensifies through their courtship and marriage. Then Ellie dies, and the film's color drains along with her. Carl's world turns muted, beige, and flat, mirroring a widower going through the motions in a house that used to be full of color. It isn't until Carl sets out on the journey he and Ellie always talked about that saturation creeps back in, scene by scene, as his sense of adventure returns.

None of that happens by accident in the finished film, and it was mapped out in Romano's color script long before the animators touched Carl's living room. A color palette pulled from just the grief section of that arc shows how far the desaturation actually goes, with almost nothing that reads as vivid:

Case study: coloring the emotions themselves in "Inside Out"

"Inside Out," released in 2015 with Ralph Eggleston as production designer, pushed the idea further than any Pixar film before it. Instead of using color to signal a scene's mood, the film assigns a specific color to each emotion as a character: Joy is a bright yellow, Sadness a deep blue, Disgust a sickly green, Fear a light lavender, and Anger a blazing red.

That's a color script turned inside out, literally: instead of mapping how a scene should feel, the film's internal logic makes color the visible shape of feeling itself. Pete Docter has said the goal was to make emotions physically legible, to give abstract internal states a shape, a color, and a way of moving, so audiences would recognize Joy or Sadness on sight before either character says a word.

Eggleston won an Annie Award for Best Production Design for "Inside Out," his second Annie after "Toy Story," and the film's five-color emotional cast is now one of the most recognizable palettes Pixar has ever produced.

From pastel to pixels

The medium changed faster than the method did. Eggleston's digital color script for "WALL-E" in 2008 was painted on a tablet instead of pastel on paper, a shift that made revising a scene far faster than redrawing an entire strip by hand. Other artists took the tool in their own direction: Bill Cone built the color script for "Cars," bringing a different eye to a film that lives largely on sun-baked asphalt and chrome.

By the time Amidi's book collected 25 years of these scripts in 2011, the color script had stopped being one director's personal habit and become a standard step in Pixar's process, expected on every film the way a storyboard is. The book itself has since gone back for a second look: a revised and expanded edition added scripts from "Coco," "Onward," "Soul," "Luca," "Turning Red," and "Elemental." Amidi's own summary of why the tool works is blunt: "The more ways a director can see their film, the better." A color script doesn't guarantee a good movie. It just means nobody has to wait until the film is finished to find out the lighting doesn't match the story.

The habit outgrows one studio

Eggleston wasn't the only person carrying a paintbrush at Pixar. Sharon Calahan worked as director of photography on "Ratatouille." Danielle Feinberg joined Pixar in 1997 and worked her way up to director of photography for lighting, a role in which she lit "WALL-E" and "Brave" before taking on "Coco" in 2017, work that won her an Annie Award the following year. None of their films look alike, which is really the point: a color script is a framework for a decision, not a fixed style.

The idea also stopped belonging to Pixar. At DreamWorks, concept artist Nathan Fowkes built the color scripts for "How to Train Your Dragon," working in gouache rather than pastel or pixels, and now teaches the technique to other artists through his own courses.

Live-action productions have started making the same kind of decision on purpose, even without calling it a color script. For 2020's live-action "Mulan," director Niki Caro researched Chinese art and film to settle on red as Mulan's signature color, calling it a story about "passion, love and strength." Cinematographer Mandy Walker built cool shadow tones into warm firelit scenes for dimension rather than a flat wash, and colorist Natasha Leonnet at Company 3 spent an entire pass just holding that red consistent across the film. Every battle scene got its own palette, Leonnet said, with "probably more variations than any film I've ever worked on." Nobody on that crew was pinning pastel to black paper. They were still doing Eggleston's job: deciding what the story should feel like in color before the audience ever sees it.

Why the sketch still matters

Eggleston died in August 2022, at 56, after three decades at the studio. Both "Elemental" and "Inside Out 2" carried tributes to him in their credits.

What he brought to Pixar wasn't really about pastel or paper. It was a habit: decide how a movie should feel, scene by scene, before animating any of it, and put that decision in a form simple enough that everyone on the crew can read at a glance. Three decades later, that strip of color is still often the first real decision a Pixar film makes.