• Indeed,

    my mind was simply too "embedded"...the following works as expected:

      Bangle.setLCDMode();                                // use normal display mode
      g.clear();
    
      const Width = g.getWidth();
      const Height = g.getHeight();
      
      for (let x = 0; x < Width; x++) {
        let Color = x/Width;
        g.setColor(Color,0,0);
        g.drawLine(x,0, x,Height-1);
      }
    

    Thank you very much for your help!

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