Atom CSS preview color package

Question

I need to know the name of the package which provide the circle with a preview of the CSS color value in Atom, can any one help

Answer 1

You're referring to Pigments.

The default is to highlight the color declaration with the color. The option to display color as a dot at the end of the line is called "Marker Type" (or, pigments.markerType).

See the doc page for more details.