From d0178cc95d54102b94ccd6e045ddb13dd58db6d2 Mon Sep 17 00:00:00 2001
From: Paul Marbach <paul.marbach@grafana.com>
Date: Thu, 8 Jan 2026 10:24:53 -0500
Subject: [PATCH] fix off-by-one in segmented gauge

---
 .../src/components/RadialGauge/RadialBarSegmented.tsx           | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/grafana-ui/src/components/RadialGauge/RadialBarSegmented.tsx b/packages/grafana-ui/src/components/RadialGauge/RadialBarSegmented.tsx
index 61d10044802..ecc193cd883 100644
--- a/packages/grafana-ui/src/components/RadialGauge/RadialBarSegmented.tsx
+++ b/packages/grafana-ui/src/components/RadialGauge/RadialBarSegmented.tsx
@@ -53,7 +53,7 @@ export const RadialBarSegmented = memo(
     for (let i = 0; i < segmentCountAdjusted; i++) {
       const value = min + ((max - min) / segmentCountAdjusted) * i;
       const segmentAngle = getValuePercentageForValue(fieldDisplay, value) * angleRange;
-      const isTrack = segmentAngle < startValueAngle || segmentAngle > startValueAngle + endValueAngle;
+      const isTrack = segmentAngle < startValueAngle || segmentAngle >= startValueAngle + endValueAngle;
       const segmentStartAngle = startAngle + (angleRange / segmentCountAdjusted) * i + 0.01;
       const segmentColor = isTrack ? theme.colors.border.medium : (displayProcessor(value).color ?? FALLBACK_COLOR);
       const colorProps = !isTrack && gradient ? { gradient } : { color: segmentColor };