diff --git a/cmd/debug/main.go b/cmd/debug/main.go
index 2ba2f83..83c6ae3 100644
--- a/cmd/debug/main.go
+++ b/cmd/debug/main.go
@@ -33,17 +33,17 @@ func main() {
 	debugDir := "testdata/debug"
 	os.MkdirAll(debugDir, 0755)
 
-	// Define regions for 1080p (from config.go)
+	// Define regions for 1080p (from config.go — calibrated from real screenshot)
 	regions := map[string]image.Rectangle{
-		"health_orb": image.Rect(28, 545, 198, 715),
-		"mana_orb":   image.Rect(1722, 545, 1892, 715),
-		"xp_bar":     image.Rect(0, 1058, 1920, 1080),
-		"belt":       image.Rect(838, 1010, 1082, 1058),
-		"minimap":    image.Rect(1600, 0, 1920, 320),
-		"inventory":  image.Rect(960, 330, 1490, 770),
-		"stash":      image.Rect(430, 330, 960, 770),
-		"skill_left": image.Rect(194, 1030, 246, 1078),
-		"skill_right": image.Rect(1674, 1030, 1726, 1078),
+		"health_orb":  image.Rect(370, 945, 460, 1030),
+		"mana_orb":    image.Rect(1580, 910, 1670, 1000),
+		"xp_bar":      image.Rect(0, 1058, 1920, 1080),
+		"belt":        image.Rect(500, 990, 900, 1040),
+		"minimap":     image.Rect(1600, 0, 1920, 320),
+		"inventory":   image.Rect(960, 330, 1490, 770),
+		"stash":       image.Rect(430, 330, 960, 770),
+		"skill_left":  image.Rect(200, 1030, 250, 1078),
+		"skill_right": image.Rect(1670, 1030, 1730, 1078),
 	}
 
 	fmt.Println("\n=== REGION ANALYSIS ===")
diff --git a/debug b/debug
index 2f491f0..9bc1f2e 100755
Binary files a/debug and b/debug differ
diff --git a/pkg/api/api.go b/pkg/api/api.go
index a66e578..c5c2146 100644
--- a/pkg/api/api.go
+++ b/pkg/api/api.go
@@ -678,15 +678,15 @@ func (s *Server) getExpectedColorRange(regionName string) *vision.ColorRange {
 	switch regionName {
 	case "health_orb":
 		return &vision.ColorRange{
-			LowerH: 0, UpperH: 30,
-			LowerS: 50, UpperS: 255,
-			LowerV: 30, UpperV: 255,
+			LowerH: 0, UpperH: 10,
+			LowerS: 150, UpperS: 255,
+			LowerV: 150, UpperV: 255,
 		}
 	case "mana_orb":
 		return &vision.ColorRange{
 			LowerH: 200, UpperH: 240,
-			LowerS: 40, UpperS: 255,
-			LowerV: 20, UpperV: 255,
+			LowerS: 100, UpperS: 255,
+			LowerV: 80, UpperV: 255,
 		}
 	default:
 		// For other regions, we don't have specific expected color ranges
diff --git a/plugins/d2r/config.go b/plugins/d2r/config.go
index fcc1dd4..e724032 100644
--- a/plugins/d2r/config.go
+++ b/plugins/d2r/config.go
@@ -56,11 +56,11 @@ type Config struct {
 func DefaultConfig() Config {
 	return Config{
 		Colors: Colors{
-			// Tightened HSV ranges based on real D2R screenshot calibration
-			// Health orb is RED: H 0-30 (covering red wrapping), S 50-255, V 30-255
-			HealthFilled: HSVRange{0, 50, 30, 30, 255, 255},
-			// Mana orb is BLUE: H 200-240, S 40-255, V 20-255
-			ManaFilled:   HSVRange{200, 40, 20, 240, 255, 255},
+			// Calibrated HSV ranges from real D2R screenshot (testdata/d2r_1080p.png)
+			// Health orb is bright RED: RGB ~(236,15,20) → HSV H 0-10, S 150+, V 150+
+			HealthFilled: HSVRange{0, 150, 150, 10, 255, 255},
+			// Mana orb is BLUE: H 200-240, S 100+, V 80+
+			ManaFilled:   HSVRange{200, 100, 80, 240, 255, 255},
 			ItemUnique:   HSVRange{15, 100, 180, 30, 255, 255},
 			ItemSet:      HSVRange{35, 100, 150, 55, 255, 255},
 			ItemRare:     HSVRange{15, 50, 200, 25, 150, 255},
@@ -90,37 +90,38 @@ func DefaultConfig() Config {
 func RegisterProfiles(registry *resolution.Registry) error {
 	profiles := []*resolution.Profile{
 		// 1920x1080 (1080p) - Primary resolution
+		// Calibrated from real D2R screenshot (testdata/d2r_1080p.png)
 		{
 			Width:  1920,
 			Height: 1080,
 			Label:  "1080p",
 			Regions: map[string]image.Rectangle{
-				"health_orb":  image.Rect(28, 545, 198, 715),
-				"mana_orb":    image.Rect(1722, 545, 1892, 715),
+				"health_orb":  image.Rect(370, 945, 460, 1030),
+				"mana_orb":    image.Rect(1580, 910, 1670, 1000),
 				"xp_bar":      image.Rect(0, 1058, 1920, 1080),
-				"belt":        image.Rect(838, 1010, 1082, 1058),
+				"belt":        image.Rect(500, 990, 900, 1040),
 				"minimap":     image.Rect(1600, 0, 1920, 320),
 				"inventory":   image.Rect(960, 330, 1490, 770),
 				"stash":       image.Rect(430, 330, 960, 770),
-				"skill_left":  image.Rect(194, 1030, 246, 1078),
-				"skill_right": image.Rect(1674, 1030, 1726, 1078),
+				"skill_left":  image.Rect(200, 1030, 250, 1078),
+				"skill_right": image.Rect(1670, 1030, 1730, 1078),
 			},
 		},
-		// 1280x720 (720p) - Secondary resolution
+		// 1280x720 (720p) - Secondary resolution (scaled from 1080p)
 		{
 			Width:  1280,
 			Height: 720,
 			Label:  "720p",
 			Regions: map[string]image.Rectangle{
-				"health_orb":  image.Rect(19, 363, 132, 477),
-				"mana_orb":    image.Rect(1148, 363, 1261, 477),
+				"health_orb":  image.Rect(247, 630, 307, 687),
+				"mana_orb":    image.Rect(1053, 607, 1113, 667),
 				"xp_bar":      image.Rect(0, 705, 1280, 720),
-				"belt":        image.Rect(559, 673, 721, 705),
+				"belt":        image.Rect(333, 660, 600, 693),
 				"minimap":     image.Rect(1067, 0, 1280, 213),
 				"inventory":   image.Rect(640, 220, 993, 513),
 				"stash":       image.Rect(287, 220, 640, 513),
-				"skill_left":  image.Rect(129, 685, 164, 718),
-				"skill_right": image.Rect(1116, 685, 1151, 718),
+				"skill_left":  image.Rect(133, 687, 167, 718),
+				"skill_right": image.Rect(1113, 687, 1153, 718),
 			},
 		},
 	}
diff --git a/testdata/debug/debug_health_orb.png b/testdata/debug/debug_health_orb.png
index 93eea36..8907afa 100644
Binary files a/testdata/debug/debug_health_orb.png and b/testdata/debug/debug_health_orb.png differ
diff --git a/testdata/debug/debug_mana_orb.png b/testdata/debug/debug_mana_orb.png
index 1f0077c..1291351 100644
Binary files a/testdata/debug/debug_mana_orb.png and b/testdata/debug/debug_mana_orb.png differ