Theme: New visualization colors model (#33973)

* Initial design for new viz colors

* added unit tests

* Progress

* Updated selected color

* Use old named color names and colors to begin with

* Updates

* Fixing tests

* Progress

* Updates

* updating

* fixing tests

* Using some named colors

* renames && fixes

* remove plural

* fixed tests

public/app/plugins/panel/piechart/PieChart.tsx

@@ -289,6 +289,7 @@ function PieLabel({ arc, outerRadius, innerRadius, displayLabels, total, color,
         y={labelY}
         dy=".33em"
         fontSize={labelFontSize}
+        fontWeight={500}
         textAnchor="middle"
         pointerEvents="none"
       >