ngraham added a comment.
Here's how I would do it: Background: * Blur * Solid color: [color chooser] REPOSITORY R120 Plasma Workspace REVISION DETAIL https://phabricator.kde.org/D8441 To: guoyunhe, ngraham Cc: ngraham, davidedmundson, plasma-devel, ZrenBot, progwolff, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart