[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Overlay](./puppeteer.protocol.overlay.md) > [HighlightConfig](./puppeteer.protocol.overlay.highlightconfig.md) > [borderColor](./puppeteer.protocol.overlay.highlightconfig.bordercolor.md) ## Protocol.Overlay.HighlightConfig.borderColor property The border highlight fill color (default: transparent). Signature: ```typescript borderColor?: DOM.RGBA; ```