From fa6a250b5c28099c20758c7faa4961d24885ffc2 Mon Sep 17 00:00:00 2001
From: "akash.sonune" <akash.sonune@siemens.com>
Date: Fri, 13 Mar 2026 00:14:20 +0530
Subject: [PATCH] refactor(charts-ng): filter out empty strings from echarts
 color palette and avoid warnings

---
 projects/charts-ng/common/si-chart-base.component.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/projects/charts-ng/common/si-chart-base.component.ts b/projects/charts-ng/common/si-chart-base.component.ts
index ba4168765f..9a31066d3f 100644
--- a/projects/charts-ng/common/si-chart-base.component.ts
+++ b/projects/charts-ng/common/si-chart-base.component.ts
@@ -767,9 +767,9 @@ export class SiChartBaseComponent implements AfterViewInit, OnChanges, OnInit, O
     if (paletteValue) {
       const palette = this.getThemeCustomValue(['colorPalettes', paletteValue], null);
       if (palette) {
-        this.actualOptions.color = palette;
+        this.actualOptions.color = Array.isArray(palette) ? palette.filter(Boolean) : palette;
         if (this.customLegendAction()) {
-          this.fetchSeriesColors(palette);
+          this.fetchSeriesColors(this.actualOptions.color);
         }
       }
     }