Based on our record, EpicRuler seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
You can check it out on https://epicruler.com. Source: about 2 years ago
For EpicRuler I'm using this code to get the luminance of a pixel, which I think could be used in your case too, you just have to convert the RGB part to HEX:. Source: about 2 years ago
AlternativeTo - AlternativeTo lets you find apps and software for Windows, Mac, Linux, iPhone, iPad, Android, Android Tablets, Web Apps, Online, Windows Tablets and more by recommending alternatives to apps you already know.
PixelSnap - Measure every pixel on your screen with ease ✨
Product Hunt - A website that lets users share and discover new products
xScope - xScope is an excellent utility that is used to measure the graphic layouts or any application’s dimensions for checking the operating systems’ compatibility with the desktop screen.
Alternative.me - Welcome to alternative.me, the source of better software alternatives. Finding suitable software was never easier.
QuickLens - Inspect the UI of apps, illustrations & websites like a pro