Created attachment 177319 [details] dynamic color scheme LibreOffice has a nice color selector. There is a very good Standard color palette, but there are also other color schemes. My proposal is to have a dynamic color scheme. Find good colors isn't easy and find colors that perfectly match, is worse. As for office users it's good to have a standard color scheme where the user can select colors (that fit together), it's always a predefined scheme. What if we generate a color scheme depend on the color the user selected or the color from the document. There are planty of good color scheme generators out there like - https://color.adobe.com/create/color-wheel - https://material.io/design/color/the-color-system.html#tools-for-picking-colors - https://colors.muz.li/color/1C78AC - https://www.canva.com/colors/color-wheel/ All the schemes follow the idea of color harmony rules - Analogous - Monochromatic - Triad - Complementary - Square - Compound - Shades - ... So if you have ONE color, you can calculate complementary colors, analogous, triadic, ... colors. My proposal is, that depend on the selected color the other colors of the color scheme will be generated by different rules, so you can pick the perfect harmony color to the selected one.
compare to other office suites, the dynamic color scheme give the user an very easy to use tool for non predefined looking styles.
The Document Colors palette is supposed to do exactly this. See also bug 107380 for what is not working. It will not provide a wheel, however, or any other fancy picking interaction. My take: out of scope for an office application but maybe a nice to have extension. And we do have some fancy extensions at https://extensions.libreoffice.org/?Tags%5B%5D=51. Maybe the PaletteMaker is basically what you are interested in (likely with potential to enhance). Please reopen if I've mistaken your idea.