Solid backgrounds usually do the trick, but a solid background can really elevate the website.
- Hero Patterns - Simple, repeatable hero patterns using SVG. Basic.
- Gradient Generator - For subtle backgrounds and stuff.
- Photogradient - Better gradient generator. Might be paid
- SVG pattern builder - This actually looks really cool
- Haikei - An app to create borders and backgrounds
If you’re looking to experiment with more dynamic backgrounds, check out the backgrounds sections in the UI libraries as well.