Here's my interpretation of how and why the moons change colors in between kingdoms : r/MarioOdyssey

Super Mario Odyssey - Dark Side of the Moon - All Moons (in order with timestamps)

Super Mario Odyssey Manual V2

winstein's art that are drawn by him, take a look if you want, Page 2

Super Mario Odyssey amiibo Packaging Reveals Three New Kingdoms

Nabbit - Super Mario Wiki, the Mario encyclopedia

Super Mario RPG (Nintendo Switch) - Super Mario Wiki, the Mario encyclopedia

Super Mario Odyssey guide: Mushroom Kingdom all power moon locations - Polygon

Super Mario 64 - Wikipedia

Yoshi - Super Mario Wiki, the Mario encyclopedia

nintendo – Weeb Revues

Here's my interpretation of how and why the moons change colors in between kingdoms : r/MarioOdyssey

Super Mario Odyssey (for Nintendo Switch) Review

Poll: Hasn't Nintendo Always Been An 'Entertainment' Company?