I want to know the answer to the following question:
Is the color difference between heartwood and sapwood usually very subtle or conspicuous?
All the background I'm provided with is that "This is produced by deposits in the heartwood of chemical substances, so that a dramatic color difference does not mean a dramatic difference in the mechanical properties of heartwood and sapwood, although there may be a dramatic chemical difference.". Is that enough to answer the question?
Answer: no