Material Mixer Tool – “Material mixer tool, allows you to mix match primary and secondary color of material design color palette. This tool allows you to mix match primary and secondary color of the material design. Based on Google’s own material design guidelines, the tool calculates tints and shades, also allows to select fallback colors for each primary and secondary(accent) colors. Select from primary and “A” (accent) colors and see what colors complement each other.”
You can also choose a single color as well as upload an image to get some colors from it.