diff --git a/superset-frontend/plugins/plugin-chart-echarts/src/Timeseries/transformProps.ts b/superset-frontend/plugins/plugin-chart-echarts/src/Timeseries/transformProps.ts
index 630fa7afe88..638b0948c02 100644
--- a/superset-frontend/plugins/plugin-chart-echarts/src/Timeseries/transformProps.ts
+++ b/superset-frontend/plugins/plugin-chart-echarts/src/Timeseries/transformProps.ts
@@ -198,6 +198,7 @@ export default function transformProps(
     zoomable,
     stackDimension,
   }: EchartsTimeseriesFormData = { ...DEFAULT_FORM_DATA, ...formData };
+
   const refs: Refs = {};
   const groupBy = ensureIsArray(groupby);
   const labelMap: { [key: string]: string[] } = Object.entries(
@@ -299,7 +300,24 @@ export default function transformProps(
 
     const entryName = String(entry.name || '');
     const seriesName = inverted[entryName] || entryName;
-    const colorScaleKey = getOriginalSeries(seriesName, array);
+
+    let colorScaleKey = getOriginalSeries(seriesName, array);
+
+    // If this series name exactly matches a time compare value, it's a time-shifted series
+    // and we need to find the corresponding original series for color matching
+    if (array && array.includes(seriesName)) {
+      // Find the original series (first non-time-compare series)
+      const originalSeries = rawSeries.find(s => {
+        const sName = inverted[String(s.name || '')] || String(s.name || '');
+        return !array.includes(sName);
+      });
+      if (originalSeries) {
+        const originalSeriesName =
+          inverted[String(originalSeries.name || '')] ||
+          String(originalSeries.name || '');
+        colorScaleKey = getOriginalSeries(originalSeriesName, array);
+      }
+    }
 
     const transformedSeries = transformSeries(
       entry,