I analyzed the coloration with encycolorpedia.com. It is actually very nice shades of Gold.

Going from #FFB900 - #DA9E00 and making those into 37 degree versions.

"For about two weeks every year, the waning light of winter hits a waterfall in Yosemite National Park at just the right angle to create a streak of orange that looks like a lava flow. It's known as the "firefall."" - L.A. Times