Can I DevTools?
CSS
Edit
  1. Right click on the color box > Select "Convert to Display-P3". This will change the color format to `display-p3`.
  2. Click the color box to open the color swatch. The white line shows the edge of sRGB. Everything on its top right is Display-P3 colors not available in sRGB.
  3. For fallback, right click on the color box, and select "Clamp to sRGB" to convert to the closest available color in the sRGB space.