In addition to standard and nonstandard color spaces, AVIF supports ICC profiles and wide color gamuts and Rec 2020, Pro Photo RGB, and sRGB. Furthermore, it provides Color space signaling using CICP (ITU-T H.273 and ISO/IEC 23091-2) and ICC profiles.
What color space does AVIF support
Primary sources1. AVIF - The Full Guide and FAQ2. AVIF AOMedia Specification3. AVIF Wikipedia4. Jake Archibald Article5. AVIF Netflix article