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Why Microsoft Planner Task Cards Turn Gray and How to Fix It

Camila MilosovichCamila Milosovich Nov 3, 2026 869 views

Question details

The user is trying to figure out why newly created task cards in Microsoft Planner display a light gray background instead of the standard white, as there are no built-in color settings causing it.

Why Microsoft Planner Task Cards Change from White to Gray
Product
Microsoft Planner
Device & OS
not provided
Scenario
Adding multiple new tasks to a plan and noticing visual inconsistencies with card backgrounds.
Observed behavior
Certain task card backgrounds unexpectedly change from white to light gray. The behavior does not correlate with task age, due dates, or assignees, but appears after repeatedly using the "Add task" feature.
Before you start

Ensure your browser is up to date and check your internet connection, as Microsoft 365 web apps sometimes display temporary visual glitches before completely syncing new data.

Solution 1Recommended

Open and Review the Newly Created Task

This resolves the gray background by changing the task status from an unread, newly added state to an opened state.

In Microsoft Planner, tasks added rapidly using the "Add task" button may occasionally appear with a gray background. This usually acts as an unspoken indicator of a newly added or "unread" task. By simply opening and closing the card, the application registers the interaction and restores the default white background.

1
Locate the affected task

Find the specific task card in your Planner board that has turned light gray.

2
Open the task details

Click directly on the gray task card to expand its details window.

3
Close the task

Click outside the task card or use the close (X) button at the top right corner. The task card background will now be white.

Open and Review the Newly Created Task
Status Updated: Once the gray card is opened and closed, it should permanently remain white as long as the page is active.
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Frequently Asked Questions

Can I manually change the background color of a task card in Microsoft Planner?

No, Microsoft Planner currently does not offer a built-in feature to change or customize the background color of individual task cards. You can only assign colored labels to the edges of the card for categorization.

Why do my tasks look gray immediately after using the 'Add task' button?

This behavior typically occurs when multiple tasks are created in quick succession. The gray background temporarily indicates that the task has just been created and has not yet been opened or reviewed by the user.

Will task cards turn gray when they are overdue?

No, overdue tasks in Microsoft Planner do not turn gray. Instead, the due date text turns red to highlight that the deadline has passed.