How to make blueprint detect color

I WANT TO MAKE A BLUEPRINT, IN WHICH THERE ARE 25 LINE TRACERS ASSEMBLED ON A PLANE SPACED OUT EVENLY AND FACING THE Z AXIS. I WANT TO MAKE EACH TRACER WHEN IN COLLISION WITH AN OBJECT, DETECTS THE COLOR OF THE HIT AREA.
IS THIS POSSIBLE.
IF SO, WHAT COMMAND DO I NEED FOR THE LINE TRACE TO DETECT THE COLOR OF THE HIT AREA,
I NEED THE RAW COLOR OF THE AREA , I DONT CARE ABOUT THE EFFECTS OF SHADOWS, OR METALLICITY,
I NEED THIS FOR A DEMONSTRATION OF A DEVICE VERY SIMILAR TO A CMOS IMAGE SENSOR.
I APPRECIATE YOUR COMMENTS.

Like this:

in hope this works for each face. i give it a go, thank you so much