Topstyle - TopStyle contains powerful tools for building standards-compliant web sites.
Adobe Capture - Turn any photo into a color theme, Look, vector graphic, or unique brush that you can use in your creative projects with Adobe Capture.
Stylizer - A productivity-focused real-time CSS editor for serious web developers. Mac OS X and Windows.
Ultimate CSS Gradient Generator - Ultimate CSS gradient color code creators are always in eye of designers. CSS gradient or CSS progression codes.
EnjoyCSS - CSS generator for rich graphical styles without coding
Gradient Hunt - Curated collection of beautiful gradients, updated daily