I m gonna describe the logos I made for you after a hard work.......... In upper logo the shiny black background is to attract the attention of everyone who lay an eye upon it and the sign of the shipment tool is describing the company in silent words and the SHIP-MINT is white so it would be prominent on shine black background and the fonts are enhanced to get Attraction of the reader......................................................................................................................NOW the lower logo is simple but the coloring scheme is as you asked in mint color and the sign have the same meaning as above mentioned ........