This post was originally published on this siteSeems like it probably worked well originally (i.e. in 2019), but now – at least for me – it’s a bit broken. You can activate the extension and then select a color from a page, but once you’re in ‘eyedropper’ mode, there’s no way to deactivate it.
This post was originally published on this siteFind the right color for your design every time. Color Picker lets you pick the color you want and shows you the HEX values, RGB channels, hue, saturation and value. A great utility for any graphics designers or web developers, or for anyone who just really likes colors.