Prompt:

Create an avatar in vector format (base size 1024×1024). The background should be yellow (#FFF700). The shape of the avatar should include one large main symbol. The initials “WH” should be included, "WH" should have the font-form of Sans-Serif and have color of white (#FFFFFF), and should cover most area of Avatar. Be creative with the design. The whole Avatar should not have more than 3 colors.