Knowledge base KB0129

think-cell uses wrong font color or strange colors in the background of labels

Problem

Incorrect Background.

Solution

think-cell recommends the following ways to set a background which enables think-cell to work together with PowerPoint seamlessly. The best way is to set (or leave) the slide background settings on automatic (default), and only adjust the PowerPoint theme colors such that they provide a good reading contrast:

  • PowerPoint 2010:
    ViewMaster ViewsSlide MasterEdit ThemeColorsCreate New Theme Colors…

    PowerPoint 365, 2013, 2016, 2019:
    ViewMaster ViewsSlide MasterBackgroundColorsCustomize Colors…

  • Set Text/Background Dark 1 to a dark color you want for text and lines or your dark background
  • Set Text/Background Light 1 to a light color you want for the default slide background or your text and lines in case you use a dark background
  • For further information refer to KB0105: How can I change the default colors of charts created with think-cell?.

Setting the slide background for the whole presentation

Set the slide background of all slides (incl. slide masters and layouts). This will also reset the background fill of all slides to automatic.

  1. Open the Slide Master: ViewMaster ViewsSlide Master
    and go to the Slide Master's top level slide.
  2. To enforce the change for all slides, first switch to a different background style:
    BackgroundBackground Styles and choose, e.g., Style 2.
  3. Choose your preferred background:

    Case 1: To set a light solid background fill choose Style 1 (default) or Style 2 Series of slides with solid background fill.

    Case 2: To set a dark solid background fill choose Style 3 or Style 4 Series of slides with dark solid background fill.

    Case 1/2 b: To set a solid background fill for header and/or footer separately

    • Set the Background Style for the whole slide as explained in Case 1 or Case 2.
    • To color the background of the header and/or footer, insert a PowerPoint shape:
      HomeDrawingRectangle and format it as desired.

    Series of slides with different background fill for header and slide.

    Case 3: To set a picture or texture, pattern, or gradient fill as background:

    • BackgroundBackground StylesFormat Background…
    • Choose your desired background → Apply to AllClose

    Note: If you are choosing a dark background, please first of all set a dark Background Style as explained in Case 2. Afterwards, apply your desired background. This ensures that a light color will be used for text and lines.

    Series of slides with solid background fill.

  4. Close the Slide Master: MasterClose Master View

Setting the slide background for an individual slide

After setting up a background for the whole presentation as described above, set the background for an individual slide as follows:

  1. Right-click on the slide → Format Background
  2. Choose your preferred background → Close

Note: If the individual slide has a dark background and the rest of the presentation has a light background or vice versa, you need to associate this slide with an analogous Background Style first, so that PowerPoint and think-cell can adjust the font color accordingly:

  1. Select the slide
  2. Office 365, 2016, and 2013: DesignVariantsMoreBackground Styles
    Office 2010: DesignBackgroundBackground Styles
  3. Right click on Style 4 (for dark backgrounds) or Style 1 (for light backgrounds)
  4. Apply To Selected Slides

Afterwards, apply your desired background. This ensures that a light (or dark) color will be used for text and lines.

Using a chart background

You may have tried to simply place a solid rectangle behind the chart. Then, however, boxed labels and axis breaks do not match the chart background. This problem can be avoided by proceeding as follows

Chart Background Example.
  1. Open the Slide Master: ViewMaster ViewsSlide Master
  2. Right click on the Slides tab → Insert Layout → right click on the new Layout → Rename Layout → type, e.g., Chart Background
  3. Format the slide background of the new Chart Background Layout the way you want the chart background to look:
    Right click on slide → Format Background…
  4. Insert a rectangle for the slide background (white in the screenshot), resize it so that it covers the whole slide, and then adjust the fill to what you want the background of your slide to look like, then send it to the back.
  5. Close the Slide Master: MasterClose Master View
  6. On each slide, where you want to place a chart:
    • Right click on Slide → Layout → Choose your custom layout, e.g., Chart Background
    • Insert a rectangle for the chart background (blue rectangle in the screenshot) and set the fill to Slide Background Fill.

Explanation

think-cell only receives information about the current Background Style, but no information about the Format Background… settings. Therefore, setting a Background Style is required for PowerPoint and think-cell to use the Text/Background theme colors correctly (e.g., light font color on a dark background or vice versa dark font color on a light background) as explained in KB0100: How can I change the font color?.

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