This is very important of course. Which one do we like more as a 'heat map' for user test results? Option A with our secondary color and darker shades:  Option B with our primary color and ligher tints: 
This is very important of course.
Which one do we like more as a 'heat map' for user test results?
Option A with our secondary color and darker shades:
Option B with our primary color and ligher tints: