Telerik® JustCode™ can suggest you to change a color defined in code using an easy to use color picker. That way you can see in real time what color will be used.
Supported: C#, VB.NET, XAML, CSS, LESS
The behavior can be controlled in JustCode Options -
JustCode / Options / Code Analysis / Hints.
When "Choose color" option is checked in the options dialog,
then Telerik® JustCode™ will underline the color with a line colored correspondingly and provide you the ability to alter it using a color picker.
- Position the caret over an underlined color.
Press Alt+Enter. From the pop-up menu, select Choose different color.
You will see a color picker through which you can easily change it: