Color Detection - Unity Vuforia

Hi,

I'm trying to develop an application for android using Unity and Vuforia.

In it, I need to perform the color detection of colored cards (where each card has one color only). When viewing the color, the RA model must perform an action.

I've already developed the augmented reality part, but I'm having a hard time detecting the colors.

Does anyone know a way to do this? I know that the OpenCV unity plugin facilitates these actions but I would like an unpaid solution.

 

you could capture a screenshot of the camera view, and then find the right pixel

https://forum.unity.com/threads/how-to-pick-color-in-the-screen-point-x-y.133068/