Just Color Picker - Free portable colour picker and colour editor for web designers, photographers, graphic designers and digital artists. Supports Windows and macOS.
Topstyle - TopStyle contains powerful tools for building standards-compliant web sites.
gpick - A color picker and color scheme creation tool.
Rapid CSS Editor - Rapid CSS editor is quick, powerful and easy to use HTML and CSS code editor for web developers. Intuitive interface and intelligent features help you become more productive and create modern HTML5 and CSS3 based websites faster and easier.
Instant Eyedropper - Identifying the color code of an object on the screen is usually an involved, multistep process:...
EnjoyCSS - CSS generator for rich graphical styles without coding