Use roundSlider as a radial color picker

[soundar24]

Need to provide a way to use roundSlider as basic color picker, so that there is no need of any additional plugin.

This requirement can be provided as a add-on plugin.

[soundar24]

Here is a sample level workaround to achieve the color picker:

https://jsfiddle.net/soundar24/qekqkp3n/