Flat vector illustrations for KDP books (AI)
Flat vector illustration: geometric simplified shapes, no outlines, a limited palette of four or five colors, subtle grain and generous negative space, for a clean editorial look.
kdpbook.io can illustrate your whole KDP book in the flat vector style: each main character first gets a reference sheet in this style, and every page is drawn from those sheets so the characters look the same from cover to last page. It is recommended for 17 of the 36 book types (including non-fiction guide, puzzle book and cookbook) and prints in color and black & white.
- Family:
- Minimalist
- Color:
- Color and black & white
- Audiences:
- Babies & toddlers, Preschool, Early readers, Adults, Professionals
- Book types:
- 17 recommended

When to use flat vector
Geometric flat shapes in a limited modern palette with subtle grain: clean and editorial.
Best for
Non-fiction guides, business books, cookbooks, kids' fact books, early readers, toddler books, workbooks, and the covers of puzzle books, notebooks and planners.
Better avoided for
Painterly or emotional scenes that need texture.
Books that suit flat vector

Non-fiction guide
How-to, self-help, business or hobby guide
Ages 13+ · 80–400 pages · 6 × 9 in

Puzzle book
Large-print word search, sudoku and more, with solutions
Ages 5+ · 24–300 pages · 8.5 × 11 in

Cookbook
Recipes with a hero photo, ingredients and steps
Ages 13+ · 72–300 pages · 8 × 10 in

Planner & logbook
Undated weekly planners and niche log books
Ages 8+ · 24–400 pages · 6 × 9 in

Early reader
Leveled 'I can read' book with picture support
Ages 5–8 · 24–64 pages · 6 × 9 in

Educational workbook
Tracing, handwriting and math practice, by grade
Ages 3–12 · 24–200 pages · 8.5 × 11 in

Kids' fact book
Dinosaurs, space, animals: big pictures, short facts
Ages 3–12 · 24–120 pages · 8.5 × 11 in

Baby & toddler book
First words, colors and animals in big bright pictures
Ages 0–5 · 24–32 pages · 8.5 × 8.5 in
How flat vector prints on KDP
- Flat color areas print evenly. In black and white it becomes solid black shapes on white with no gray, which prints cleanly.
Every illustration is prepared at 300 DPI or more, as KDP asks. Which interior suits it: premium vs standard color, the printing cost calculator and how to choose the trim size and paper.
Prompt tips for flat vector
Same characters on every page, text typeset over the art: how every style works.
Three tips
- Ask for icons and simple scenes: flat vector explains ideas well.
- Name a palette (navy, coral, cream) to match your cover.
- Great for diagrams without labels; the layout adds any text.
Books made in flat vector
Similar styles
Other minimalist styles, and how each one differs from flat vector.
- One-line drawing

A single unbroken line with generous white space, where flat vector has flat geometric shapes without outlines.
- Scandinavian folk

Symmetrical flowers, leaves and birds in red, navy and mustard, where flat vector has flat geometric shapes without outlines.
- Marker doodle

Wobbly felt-tip lines and a few pastel highlighter fills, where flat vector has flat geometric shapes without outlines.
About flat vector
Which books suit the Flat vector style?
Flat vector is offered for non-fiction guide, puzzle book, cookbook, planner & logbook, early reader, educational workbook and more. You can still pick it for any other book type, or describe your own style.
Can Flat vector be printed in black and white?
Yes. Flat vector has a black-and-white rendering for B&W interiors, which KDP prints for less than color.
Why is flat vector the default for non-fiction and puzzle books?
It explains ideas clearly and looks modern and tidy. It is the default style of kdpbook's non-fiction guide, business book, puzzle books, notebooks and password book.
Does flat vector work in black and white?
Yes. Its black-and-white version draws solid black shapes on white with no gray and no outlines, which prints crisply.
Illustrate your book in flat vector.
Describe your book, keep this style, and watch every page get painted with the same characters.
2,000 free credits · no card required


