Adaptive Backgrounds - Extract dominant colours from images
Cool Backgrounds - Create fast, one-of-a-kind hero images for blogs & websites
Pattern Collect - Curated gallery of patterns by awesome designers
Hero Patterns - A collection of repeatable SVG background patterns
Patterninja - Create patterns online
Chamjo - Chamjo is a library that provides you more than 500+ screenshots or patterns of underrated Asia-based apps with search and filter capabilities.