Dos Bros Brewing - O.i. fellow home brewers and craft beer enthusiasts, we developed a collection of apps to help in developing better brews, here I'm leaving a link to our SRM
Sample Ratio Mismatch (SRM) - MiaProva
How to Calculate SRM/Beer Color | Brewgr
Calculating beer color in JS
SRM calculator - A/B Test Sample Ratio Mismatch Checker | Analytics ToolKit