A coloring system can include a noble gas, colorant, and one or more vessels configured to convert the noble gas into a supercritical fluid, and/or receive and color an article of manufacture with the noble gas in the supercritical fluid state. A coloring process can include converting a noble gas into a supercritical fluid state; dissolving, suspending, or absorbing a colorant into the supercritical noble gas, and coloring an article of manufacture with the noble gas in the supercritical fluid state. A coloring composition can include a noble gas in a supercritical fluid state, and a colorant located in the supercritical noble gas.