The recommended dimensions for custom record icons are 124px (h) x 124px (w). This size allows for sharp rendering of icons on high-pixel-density screens such as Apple’s Retina displays.
The rendered, visible bounds of the displayed icon are 62(h) x 62(w) device-independent pixels (dip).
Record icons should feature simple shapes that are easily recognized at small display sizes. Use a transparent or white background for empty areas of the icon and avoid adding borders.
Photorealistic or highly-detailed images are not appropriate for icons.
Use an icon that represents a distinguishing attribute of the record, such as a company logo. This will allow users to quickly identify a record by viewing the associated icon.
Avoid displaying the same icon for every record, as this does not help users scan through the list.
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