     // Basal data
     //
     private let basalBlueRectColor = Styles.blueColor
-    private let basalLightBlueRectColor = Styles.lightBlueColor
+    private let basalLightBlueRectColor = Styles.blueColor
     private let kBasalMinScaleValue: CGFloat = 0.0
     
     //

    private let mealLineColor = Styles.darkPurpleColor
    // Colors
    // TODO: add all graph colors here, based on Styles colors
    private let backgroundRightColor = UIColor(red: 0.949, green: 0.953, blue: 0.961, alpha: 1.000)
    private let backgroundLeftColor = UIColor(red: 0.918, green: 0.937, blue: 0.941, alpha: 1.000)
    private let horizontalLineColor = UIColor(red: 1.000, green: 1.000, blue: 1.000, alpha: 1.000)

    //

        //
        //  Draw the background blocks
        //
        //  Note: This supports drawing backgrounds of alternating colors, every 3 hours on 3 hour boundaries. 
        //      Currently, both colors are set to be identical.

        var nextXBoundary = floor(CGFloat(firstBoundarytimeOffset) * viewPixelsPerSec)
        print("first hour boundary at \(firstBoundarytimeOffset/60) minutes")
