Short answer: The basics of illustration are line, shape, value, color, composition and visual storytelling. Line and shape build the drawing. Value and color create depth and mood. Composition guides the eye. Storytelling makes the picture say something. Learn them in that order, and practice with simple tools before you buy expensive ones.
An illustration is a picture with a job. It explains, tells a story or sets a mood next to a text. That job is what makes illustration different from drawing for its own sake.
Line is the first tool. A line can be thick or thin, smooth or shaky. Each type changes the feeling. A soft, round line feels friendly. A sharp, jagged line feels tense. Practice by drawing the same object with three kinds of line.
Most things can start as simple shapes: circles, squares and triangles. Characters also read through shape. A round character often looks gentle. A tall, angular one can look strict or sneaky. Before you add detail, check that the main shape is clear and easy to read.
Value is how light or dark something is. It gives a flat drawing depth. A good test: turn your picture to black and white. If the main subject still stands out, your values work.
Color sets the mood. Warm colors (red, orange, yellow) feel lively. Cool colors (blue, green, purple) feel calm. Use a small palette at first, for example three main colors plus a light and a dark. A small palette keeps the picture together.
Composition is where things sit in the frame. It decides what the viewer sees first. Simple rules help:- Put the most important thing where the eye goes first.- Leave some empty space so the picture can breathe.- Use lines in the scene, such as a path or an arm, to lead the eye.
This is what turns a drawing into an illustration. Ask: what is happening, and how does the character feel? Pose, facial expression and setting should all answer that question.
You can learn the basics with either. Start with what you have.
| Traditional | Digital | |
|---|---|---|
| Basic kit | Pencils, eraser, sketchbook, paper for your medium | A drawing tablet and drawing software |
| Good for | Feeling the medium, texture, no screen | Easy changes, layers, no materials to buy again |
| Watch out for | Mistakes are harder to undo | Many options can distract a beginner |
For more on both, read our guide to traditional vs digital illustration.
Do not skip the thumbnails. They are the cheapest place to fix a problem.
Children's book illustration uses all six basics, plus a few extra skills:
Line and shape. Then value, then color. Composition and storytelling come with practice.
You need basic drawing skills, and you can learn them. Simple shapes, clear values and a clear idea often matter more than detail.
Either works. Start with what you have. A pencil and a sketchbook are enough to learn the basics.
An illustration has a job: it explains or tells a story, often next to a text.
It depends on how often you practice. Short daily practice is the fastest way to improve.
Opened 2026-10-14.- Reedsy, "How to Become a Children's Book Illustrator" (quote from Natalia Junqueira): https://blog.reedsy.com/freelancer/how-to-become-a-childrens-book-illustrator/- Amazon KDP, paperback cover and interior specs: https://kdp.amazon.com/en_US/help/topic/G201857950
If you are an author, see your character in your chosen style before you commit. Our illustrations are 100% human-made.