Atrium White — Atrium White is yet another cool, crisp shade of white that takes its name directly from its intended purpose. Atrium White was originally designed for use in large indoor spaces in order to improve the space's acoustics and brighten up the entire room. Today, it works well as a base color for any interior space or graphic design, no matter the size! It falls into the beige or light brown color family. This warm, neutral color has RGB values of (241, 240, 224) and is often described as a creamy, off-white, or light tan shade.