#54 features a font that is similar to the font used on money, sort of an engraved looking font, #55 and #56 use a green that should make you think of money or growth or change and
#57 is an option against a purple background, the logo can also be done against white by reversing the colors in the fonts (purple fonts against white background and the deep purple that is shown inside the box will stay deep purple, darker than the purple used on the fonts.