Here is free flat UI palette kit compatible with multiple tools and apps. This palette will be useful for web based project. Many thanks to Reony Tonneyck for this resource.
• Sip palette
• Sketch shared styles
• InVision’s Craft Library – colors only
• Sketch Palettes plug-in
• And for you Adobe folks, an .ASE
File Format: Sketch
File Size: 50.4 KB