QB Issue Resolution:

ry menu edit>preferences>desktop>my pref tab and check mark the setting switch to colored icons.light background

Resolution for Issue 'How do I make the icon bar brighter? It is so dark and the fonts are so faint that it is hard to see.' available: Yes (Solved).
Source: Intuit Community forum.

How do I make the icon bar brighter? It is so dark and the fonts are so faint that it is hard to see.: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for Fonts
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