Isn't media query 'prefers-color-scheme: dark' and 'prefers-color-scheme: light' with respective color changes is all that's required? Recently added it for ht

Isn't media query 'prefers-color-scheme: dark' and 'prefers-color-scheme: light' with respective color changes is all that's required? Recently added it for https://startuptoolchain.com https://startuptoolchain.com on request and for https://hntokindle.com https://hntokindle.com on my own for functionality i.e. the kindle images switch for light/dark mode respectively.