Add this to your Appearance / Theme Options / General / Custom CSS

For footer icon color.

.footer a .soc-icon {
    color: rgba(240, 240, 240, 0.88);
}

and for hover state

.footer a:hover .soc-icon {
    color: rgba(255, 0, 0,.5);
}

backgrounds

.footer {background: #1D1D1D;}

.footer-btm-bar {background: #000;}

To change footer title color

.footer .widget-title {
    color: #ffacac;
}

To change footer widget paragraph text color

.footer p, .footer a {
    color: #ffa4a4;
}

Cheers!