Commonwealth Bank brand colors are yellow and black.
Hex, RGB, CMYK and Pantone® (PMS) color codes and values are listed below. You can also download the color palette of the Commonwealth Bank brand with their hexadecimal codes.
Unless stated, all the colors are from the official Commonwealth Bank brand guidelines, a link to which is provided on this page along with a link to their web site.
Please note: Typically, hex and RGB color codes are for digital use and CMYK values are for standard color printers.
In their web usage brand guidelines, Commonwealth Bank mentions using #FFCC00 and #000000 for yellow and black colors, respectively. The company underwent a logo evolution in which two shades of the yellow color are now used in the logo.