Windows 10 can do it, as seen here: http://www.intowindows.com/how-to-chang ... indows-10/. You don't see it in the screenshot, but now they include window titles.
Additionally, I would want to access this option by right-clicking the taskbar and clicking "panel settings"
Add visually accessible settings to change the color/transparency of panel, menu, and window titles
Forum rules
Do not post support questions here. Before you post read: Where to post ideas & feature requests
Do not post support questions here. Before you post read: Where to post ideas & feature requests
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richyrich
Re: Add visually accessible settings to change the color/transparency of panel, menu, and window titles
Reads like you want the Xfce version of Mint ! 
Right click the panel for preferences to change transparency in real time, Window Manager Tweaks for windows and titlebars . .
Right click the panel for preferences to change transparency in real time, Window Manager Tweaks for windows and titlebars . .-
ylevental
Re: Add visually accessible settings to change the color/transparency of panel, menu, and window titles
Interesting, I will look into it.richyrich wrote:Reads like you want the Xfce version of Mint !