Tooltips

Tooltips are a type of dialogue that contains text explaining an element in theinterface, and are triggered on hover.

Tooltips should include only simple text, no links. Tooltips should not contain more than 200 characters. If you need more space or to include interactive text, use a Popover, which is triggered on click.

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Need to add an action to your overlay? Use a Popover instead of a Tooltip.

View Popovers

Data Visualization Tooltips

Tooltip Implementation

Hover Trigger

Large data sets may include very small data points that appear as one pixel or less in your visualization, but the user still needs to reference. Because these instances are hard to access with a cursor, hover areas should include the relevant axis label.

Orientation

Tooltip orientation is dependent on the placement on the chart. The default is to open below the anchor point, with a centered caret. If the anchor point is near the edge of the chart, the orientation and caret placement change accordingly.