diff --git a/ui/style.go b/ui/style.go
index 6b3a8df..97c3e95 100644
--- a/ui/style.go
+++ b/ui/style.go
@@ -17,13 +17,22 @@ type Fonts struct {
 }
 
 type Palette struct {
-	Background       color.Color
-	Primary          color.Color
+	// Background is the default background color.
+	Background color.Color
+	// Primary is used as a the main contrast color.
+	Primary color.Color
+	// PrimaryHighlight is a highlighted version of the main contrast color.
 	PrimaryHighlight color.Color
+	// PrimaryBackground is a background version of the main contrast color.
+	PrimaryBackground color.Color
+	// ShadedBackground is a darker version of the background color.
 	ShadedBackground color.Color
-	Text             color.Color
-	TextDisabled     color.Color
-	TextOnPrimary    color.Color
+	// Text is the default text color.
+	Text color.Color
+	// TextDisabled is disabled text color.
+	TextDisabled color.Color
+	// TextOnPrimary is the text color when used with the main contrast color as background.
+	TextOnPrimary color.Color
 }
 
 type Style struct {
@@ -54,13 +63,14 @@ func DefaultFonts() *Fonts {
 func DefaultPalette() *Palette {
 	if defaultPalette == nil {
 		defaultPalette = &Palette{
-			Background:       color.White,
-			Primary:          RGBA(0x3F, 0x51, 0xB5, 0xFF),
-			PrimaryHighlight: RGBA(0x5C, 0x6B, 0xC0, 0xFF),
-			ShadedBackground: RGBA(0xFA, 0xFA, 0xFA, 0xFF),
-			Text:             color.Black,
-			TextDisabled:     RGBA(0xBD, 0xBD, 0xBD, 0xFF),
-			TextOnPrimary:    color.White,
+			Background:        color.White,
+			Primary:           RGBA(0x3F, 0x51, 0xB5, 0xFF),
+			PrimaryHighlight:  RGBA(0x5C, 0x6B, 0xC0, 0xFF),
+			PrimaryBackground: RGBA(0x9F, 0xA8, 0xDA, 0xFF),
+			ShadedBackground:  RGBA(0xFA, 0xFA, 0xFA, 0xFF),
+			Text:              color.Black,
+			TextDisabled:      RGBA(0xBD, 0xBD, 0xBD, 0xFF),
+			TextOnPrimary:     color.White,
 		}
 	}
 	return defaultPalette