I could list countries in Africa that are considered stable today, and these could well be different from those that might be listed next month. Africa is the continent whose countries are often unstable and therefore, if travelling, it is essential to check the most up to date advice for a specific African country.
At the moment, your best bet is probably Botswana. It has a long-standing multi- party democracy unlike most countries in Africa whose political, social and economic make-up causes unsafe conditions. The Seychelles has been peaceful and Namibia in parts. Zambia is also considered safe at the present time.
Your hair color depends on the amount and type of melanin. Melanocortin 1 Receptor (MC1R) is the gene responsible for hair color determination. There are actually a number of genes, 13, that play a role in making melanin, with 100 genes that affect pigmentation.
There are 124 areas of our DNA that are involved in hair color, and that's using the latest research based on a sample size of around 1500 Europeans having either blonde, light brown, dark brown, or auburn hair.