[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Overlay](./puppeteer.protocol.overlay.md) > [GridHighlightConfig](./puppeteer.protocol.overlay.gridhighlightconfig.md) > [rowGapColor](./puppeteer.protocol.overlay.gridhighlightconfig.rowgapcolor.md) ## Protocol.Overlay.GridHighlightConfig.rowGapColor property The row gap highlight fill color (default: transparent). Signature: ```typescript rowGapColor?: DOM.RGBA; ```