Reduce text saturation of default light theme

internal/glance/glance.go

@@ -68,6 +68,7 @@ func newApplication(c *config) (*application, error) {
 		PrimaryColor:             &hslColorField{45, 100, 26},
 		NegativeColor:            &hslColorField{0, 50, 50},
 		ContrastMultiplier:       1.3,
+		TextSaturationMultiplier: 0.6,
 	})
 
 	themePresets, err := newOrderedYAMLMap(themeKeys, themeProps)