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If you see the below white icons in the colour swatch, it’s best to turn these off in Settings.
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Go to the Ellipse icon and click.
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Go to Settings
edge://settings/appearance/hoverMenu
Appearance / Hover menu
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Uncheck the below:·
Show hover menu on image hover.
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Show Visual Search in context menu.
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The white icons are now gone and you will be able to see a white circle and use your mouse crosshairs to drag to alter the colour.
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Queensland Spatial Help Centre | Land Parcel Enquiry tool (LPE) knowledgebase