In my experience, embossing with clear powder on colored ink is a more translucent look. The color is under the raised embossing powder. When you emboss with colored embossing powder the melted powder is much more opaque (depending the color of the powder I guess). When you enboss on dark paper, colored powder works better. I really love printing text with my inkjet printer on vellum. As it comes out if the printer, I put superfine clear embossing powder, knock it off and heat it quickly. Awesome raised printing on vellum!
As my best friend says, "Stamping....it's cheaper than therapy" to which I add, "Not by much".
My mom was the proud recipient of my first handmade card. Cost $200.