A picture about different case metals.
Found on the Lange forum. Platinum, rose gold, yellow gold, white gold and honey gold, from left to right. If the difference between platinum and white gold is impossible to see, the other colored gold are clear. It is quite interesting to see that honey ...
Honey gold is the trickiest one to appreciate, in my opinion
Under artificial light it looks like good ole white gold with a very faint yellowish tone. Under natural light you can see it at its fullest, like the picture Maltie posted.
HG also patinates -- or at least the older HG pieces did...
See this old thread for pics.