It was atypical for Raphael to use color in such a manner. Combing orange, yellow, and gold to create a metallic finish was not typically found in his paintings. Black ink was also incorporated to darken the image while adding the effect of smoke.
The artist's choice to utilize unconventional color combinations, such as orange, yellow, and gold for a metallic effect, along with the use of black ink to enhance the smoke-like quality, deviates from his usual artistic style.