minor progress

superset-frontend/plugins/plugin-chart-echarts/src/Radar/transformProps.ts

@@ -252,7 +252,6 @@ export default function transformProps(
         label: {
           show: true,
           fontWeight: 'bold',
-          backgroundColor: theme.colors.grayscale.light5,
         },
       },
       data: transformedData,

superset-frontend/plugins/plugin-chart-echarts/src/Tree/transformProps.ts

@@ -20,6 +20,7 @@ import {
   getMetricLabel,
   DataRecordValue,
   tooltipHtml,
+  themeObject,
 } from '@superset-ui/core';
 import type { EChartsCoreOption } from 'echarts/core';
 import type { TreeSeriesOption } from 'echarts/charts';
@@ -181,7 +182,7 @@ export default function transformProps(
       }
     });
   }
-
+  const { theme } = themeObject;
   const series: TreeSeriesOption[] = [
     {
       type: 'tree',
@@ -189,6 +190,7 @@ export default function transformProps(
       label: {
         ...DEFAULT_TREE_SERIES_OPTION.label,
         position: nodeLabelPosition,
+        color: theme.colorText,
       },
       emphasis: { focus: emphasis },
       animation: DEFAULT_TREE_SERIES_OPTION.animation,