朱色

Shuiro refers to a specific, vivid orange-red hue. While the general word for red is "aka," shuiro carries a strong connotation of tradition, spirituality, and ritual. It is the color historically associated with cinnabar (mercury sulfide), which was believed to ward off evil spirits and protect buildings from decay.

In a modern context, it is most frequently used when describing traditional Japanese architecture, Shinto shrines, and certain traditional crafts. When you see a bright, warm red that leans toward orange, "shuiro" is more precise than "aka."

It is important to distinguish this from "beni-iro" (crimson/deep red), which is a cooler, bluer red often associated with lipstick or elegance, whereas "shuiro" is a warmer, more energetic red associated with divinity and protection.