eSearch color customization

If you use the Sky blue as the style, the highlight of the rows in the datagrid is hardly visible.

So, I tried to customize the display of the fixed grid (row selected highlight, alternative rows etc), however it seems that regardless of changes in the DataGridSkin.mxml file, no changes are observed.

I tried also to change the
alternatingRowColors="{[getStyle('chromeColor'),getStyle('chromeColor')]}"
inside the datagrid to my colors, but still no changes.

Suggestions?

Thank you.