This free PSD contains 14 minimal pixel icons. The icons are white by default, but if you wish to change an icons color simply Ctrl + Click a layer’s thumbnail in photoshop and the icons will be selected, then just fill it with the color of your choice. Grab the psd freebie at the download link.
This freebie may be used for both personal and commercial projects. Attribution would be appreciated, but is not required. For further details see the licencing page.