Start with high-confidence color photography books, then narrow by subgenre or adjacent topics.
Vivian Maier: the Color Work
Colin Westerbeck
Extraordinary Everyday Photography
Brenda Tharp, Jed Manwaring
Making Color Sing, 25th Anniversary Edition
Jeanne Dobie
William Eggleston: the Last Dyes
William Eggleston, Jeffrey Kastner
Visually Speaking
Ted Forbes
Joel Meyerowitz