API Reference > imodeljs-frontend > Views > Viewport > getContrastToBackgroundColor getContrastToBackgroundColor Method Get a color that will contrast to the current background color of this Viewport. Either Black or White depending on which will have the most contrast. getContrastToBackgroundColor(): ColorDef Returns - ColorDef Defined in core/frontend/src/Viewport.ts Line 2176 Last Updated: 12 June, 2024