Home Ā» Color Visualizer for the 2015 GMC Yukon Denali – Summit White and Onyx Black Ā» CarRevsDaily – 2015 GMC Yukon Denali – Colors – Onyx Black 23 CarRevsDaily – 2015 GMC Yukon Denali – Colors – Onyx Black 23 Home Ā» Color Visualizer for the 2015 GMC Yukon Denali – Summit White and Onyx Black Ā» CarRevsDaily – 2015 GMC Yukon Denali – Colors – Onyx Black 23