diff --git a/internal/ui/components.go b/internal/ui/components.go
index bf1b091..8aa1066 100644
--- a/internal/ui/components.go
+++ b/internal/ui/components.go
@@ -148,7 +148,8 @@ func getContrastColor(bgColor color.Color) color.Color {
 
 func (m *ModuleTile) CreateRenderer() fyne.WidgetRenderer {
 	tileColor := m.color
-	labelColor := getContrastColor(m.color)
+	// Use consistent white text for all modules
+	labelColor := TextColor // White text
 
 	// Dim disabled tiles
 	if !m.enabled {
diff --git a/main.go b/main.go
index 4cb88f6..a18487b 100644
--- a/main.go
+++ b/main.go
@@ -80,18 +80,18 @@ var (
 	nvencRuntimeOK   bool
 
 	// Rainbow color palette: balanced ROYGBIV distribution (2 modules per color)
-	// Bright, vibrant, highly navigable with perfect spectrum balance
+	// Optimized for white text readability
 	modulesList = []Module{
 		{"convert", "Convert", utils.MustHex("#673AB7"), "Convert", modules.HandleConvert},       // Deep Purple (primary conversion)
 		{"merge", "Merge", utils.MustHex("#4CAF50"), "Convert", modules.HandleMerge},             // Green (combining)
-		{"trim", "Trim", utils.MustHex("#FFEB3B"), "Convert", modules.HandleTrim},                // Yellow (precision cut)
+		{"trim", "Trim", utils.MustHex("#F9A825"), "Convert", modules.HandleTrim},                // Dark Yellow/Gold (precision cut)
 		{"filters", "Filters", utils.MustHex("#00BCD4"), "Convert", modules.HandleFilters},       // Cyan (creative filters)
 		{"upscale", "Upscale", utils.MustHex("#9C27B0"), "Advanced", modules.HandleUpscale},      // Purple (AI/advanced)
-		{"audio", "Audio", utils.MustHex("#FFC107"), "Convert", modules.HandleAudio},             // Amber (sound waves)
+		{"audio", "Audio", utils.MustHex("#FF8F00"), "Convert", modules.HandleAudio},             // Dark Amber (sound waves)
 		{"author", "Author", utils.MustHex("#FF5722"), "Disc", modules.HandleAuthor},             // Deep Orange (authoring)
 		{"rip", "Rip", utils.MustHex("#FF9800"), "Disc", modules.HandleRip},                      // Orange (extraction)
 		{"bluray", "Blu-Ray", utils.MustHex("#2196F3"), "Disc", modules.HandleBluRay},            // Blue (Blu-ray brand)
-		{"subtitles", "Subtitles", utils.MustHex("#8BC34A"), "Convert", modules.HandleSubtitles}, // Light Green (text)
+		{"subtitles", "Subtitles", utils.MustHex("#689F38"), "Convert", modules.HandleSubtitles}, // Dark Green (text)
 		{"thumb", "Thumb", utils.MustHex("#00ACC1"), "Screenshots", modules.HandleThumb},         // Dark Cyan (capture)
 		{"compare", "Compare", utils.MustHex("#E91E63"), "Inspect", modules.HandleCompare},       // Pink (comparison)
 		{"inspect", "Inspect", utils.MustHex("#F44336"), "Inspect", modules.HandleInspect},       // Red (analysis)