There are 3 things to remember when looking for lighting for artwork, and they are: heat, color and placement. A lot of lights, especially halogens, will produce a sufficient amount of heat. If these lights are placed too close to the artwork, or are left on for too long, this could damage the piece. Ways to avoid this is to use LED lights, fiber optics, or to make sure the light fixture is a good distance away from the art pieces. For example you can use track lighting for artwork, as these are installed into the ceiling, and each individual light can be angled to different parts of the room. Another option is to use recessed lighting in the ceiling that can be angled down towards the art work.
The color of the light bulb can play a role in how the artwork will look. White light allows for true colors to be seen in the art, while yellow shades of light can distort it depending on the hue.
Where you are going to place the lights needs to be taken into consideration. Using track lights will be simple, as they are installed into the ceiling. If you are going to use wall lights, hung right above the artwork, then how the wiring will get there needs to be looked at. One alternative is to use battery powered gallery lights. We highlighted the best lighting for artwork in our The Cordless Gallery Light post here: Highlight Decor Pieces Easily With Wireless Art Gallery Lighting. Not only do these lights not require any wiring, but they can be attached directly onto the frame of an art piece (or they can be attached to the wall). The cordless lights use LEDs so there is little to no heat and ultraviolet rays.
image credits: David Group