Indie devs can color isometric 3D models by using tools like Blender (for 3D texturing) or Aseprite (for pixel art) to apply flat, bold colors and subtle edge shading that complements the isometric perspective’s angled views.
Stick to a limited color palette (4-6 hues) to keep the style cohesive—flat colors work best for isometric models because they maintain clarity at small sizes, which is common in indie games. Add shading along isometric edges (like lighter top faces and darker side faces) to define depth without overcomplicating the look.
If you’re new, start with a single base color per object, then add 1-2 shade variations. This simple workflow helps you practice depth without getting stuck on unnecessary detail.