Right now your gold is reading very greenish. The concept is a lot warmer, more orange in other terms. You can make a quick fix by using a hue adjustment through Photoshop's Adjustment tools and slide it towards a more orange tone. And bigger strokes, block everything in. I still see henpecking.
I just watched a video on painting that mentioned a really good way to think of the steps of painting something like this. First you do the line drawing, no value no color, just get the outlines set up and in place as tight as can be. then paint through on a grayscale, only worrying about the value of the area. Finally add…
Both volumes of Vertex by Polycount members have handpanting articles that you're going to want to look at. http://artbypapercut.com/ And a rule of thumb that has helped me a lot during handpainting art: When you're changing values (i.e. things getting darker or lighter because of light exposure), do NOT just change…
Just like JadeEyePanda said, you actually need to learn how to paint before trying handpainting, you clearly lack the base, you don't know about colors and lights theory, for example a shadow is never really black. A color isn't only made by a gradiant of the same slider, you need different value etc. Try painting that…