James, both companies have been working extensively with LED's but have not, to my knowledge, come up with lenses specifically for LED's. They do note, however, that colors are significantly different using the same lenses with either LED or incandescent. And, I suspect significant differences between various LED chip manaufacturers -such differences explained by differences in CCT and CRI. We will be launching a new series of fixtures in a few months and my intention is to encourage use of colors with these fixtures - especially with architecture, hardscape, and statuary. I'm working closely with Rosco to develop a series of colors optimized for our LED's and will fully document (through photos) the effects of these colors. I'd love to see designers develop an refined eye for color - similar to how it's been used in film and theater, and in high-end architectural lighting design.