How to use the Character Design Prompt Generator
- Press 🎲 Roll a character (or press R on a keyboard while the tool is on screen). You get a genre and setting, a role, a species, an age, a build with its main shape, a three-color palette, an outfit, a signature accessory, two personality traits plus a flaw, and a backstory hook.
- Choose Simple or Complex. Simple keeps the prompt clean for a warm-up. Complex adds a twist to the role (“retired”, “unlicensed”, “semi-famous”), a contrasting accent shape, a distinguishing detail and a concrete design challenge.
- Keep what sparks something. Press the padlock on any row to lock it, then roll again — only the unlocked rows change. The ↻ button on a row rerolls just that one field. Tick Humans only if you’re designing for a realistic project.
- Use the palette. Click any swatch to copy its HEX code. The labels give the rough share each color should take in the finished design: 60% main, 30% secondary, 10% accent. Name this palette → opens the colors in the Color Palette Name Generator.
- Save or share it. Copy brief puts the whole character on your clipboard as plain text, with a link back to it. ☆ Save keeps it under Saved characters, Recent rolls remembers your last twelve, and Share sends a link that reopens the exact same character.
Why a random brief beats a blank page
Most character design work starts from a brief, not from inspiration. A studio asks for “a grumpy ferry pilot for a cozy village game”, and the designer’s job is to make those words visible. Rolling a brief recreates that pressure on purpose. You stop asking “what should I draw?” and start asking “what does a fifty-something frog-folk debt collector wear to work?” — a question with answers.
The fields are chosen because each one forces a visual decision. Age changes proportions and posture. Build and shape set the silhouette before any detail exists. The palette limits you to three colors, so you have to decide which part of the design earns the accent. The outfit and accessory carry the story, and the flaw gives you something to put in the pose and the face.
Mismatches are a feature. A maintenance robot working as a tour guide in a desert caravan is odd, and odd is memorable. If a combination feels too random, lock the two fields you like and reroll the rest until the others make sense around them. Genres are tagged, so a deep-space freighter won’t hand you a knight in armor, but a role or outfit from a neighboring genre can still slip through — keep it if it makes you curious.
Shape language at a glance
Shape language is the idea that simple shapes carry emotional readings, and that a character built mostly from one shape inherits its reading. These are conventions rather than laws, but they are taught in animation schools for a reason: they work at a glance.
| Main shape | Usually reads as | Common uses | Contrast it with |
|---|---|---|---|
| Circles | Soft, friendly, safe | Mascots, kids, comic relief, kindly mentors | One sharp triangle to hint at a hidden edge |
| Squares | Sturdy, stubborn, reliable | Protectors, grumpy elders, heavy hitters | Round eyes or cheeks to make them lovable |
| Triangles | Sharp, quick, dangerous | Villains, tricksters, rogues | A square stance to ground them |
| Inverted triangle | Heroic, powerful, top-heavy | Heroes, athletes, bullies | A small head or soft face to undercut the bravado |
| Tall rectangles | Formal, upright, rigid | Officials, butlers, sticklers | One crooked or curved element |
| S-curves | Graceful, fluid, sly | Dancers, schemers, cats of every kind | A blunt prop that interrupts the flow |
The contrast column is what the Complex setting adds. A design made of one shape reads fast; a design with one deliberate exception reads as a person.
Worked example: the robot tour guide
The roll this page opens with is a forty-something maintenance robot tour guide on a post-apocalyptic caravan route: barrel-chested with short legs, built from triangles, wearing a crisp lab coat with stained cuffs, carrying a pocket watch that runs backwards. Easily delighted and flamboyant, never finishes anything, and in love with someone on the opposite side.
Start with the silhouette: a squat barrel body, short legs, and the triangles pushed into a pointed visor, antenna and coat tails, so the shape says “quick and a little dangerous” even though the personality is a show-off. The lab coat suggests the robot once had a more important job; the backwards watch is a gift from the person on the other side, and it’s the one thing it keeps polished.
The palette is #CF813A (orange), #D6ADA5 (dusty pink) and #378F99 (teal). Convert them to grayscale and the problem appears: the orange sits at about L* 61 and the teal at about L* 55 on the 0–100 lightness scale, so the accent stands out by hue but almost disappears by value. Darken the teal to around L* 40 for the visor glow and the watch face, and the focal points hold up in a black-and-white thumbnail too.
Tips from practice
Thumbnail before you render. Draw six to ten silhouettes no taller than your thumb and fill them solid. If you can’t tell which one is the tour guide at that size, extra rendering won’t save it.
Let one field lead. Pick the field that excites you most and lock it. Everything else should support it; reroll anything that fights it rather than forcing the combination.
Check the palette in grayscale. Hue contrast fools the eye. Your main and accent colors need a clear value gap, or the design turns to mush in thumbnails, prints and on phones with the brightness turned down.
Put the flaw in the body, not the caption. A character who “can’t say no” stands differently from one who “holds grudges for years”. Try the flaw in the shoulders, hands and feet before you touch the face.
Draw the same character twice. Once in your usual way, then again in a style you don’t use — the Random Art Style Picker is good for this. Whatever survives both versions is the core of the design. For believable proportions at different ages, the Figure Proportions Calculator gives head-unit counts.