It would be great if there were one row of recently used colors at the top of the color dialog in the Symbology pane. I often think of this when I change a symbol and lose the color I had chosen for the previous symbol. I also work in ArcGIS Online a lot, and it's so convenient how the last three colors are always available. I wish Pro had something similar.

Workflow example:
If I have point and polygon layers for the same species in a map showing different species habitats, I might want to use the same color for both. If I create a custom color for the first one, I'll use its hex code to apply it to the other two. I often forget to grab the hex code while I'm in the Color Properties dialog the first time, and then it's ten clicks to get back to it and apply it once I'm out (select the previous layer in the TOC, click on the color, click on Color Properties, copy the hex code, click Cancel, select the other layer in the TOC, click the current color in the Symbology pane, click color properties, paste the hex code, click OK). It would be a big time saver if one row of my recent colors were right at the top of the color dialog (like a one-line style might appear there).
If something like this already exists and I'm missing it, please enlighten me!
Thanks!