Color Rendering Index (CRI) is a measure of how well a light source can accurately render colors in comparison to natural light. CRI is an essential consideration in various lighting applications, including retail shop, hospitality, museums, and art galleries, where color accuracy is critical. For grocery shops that often sell a wide variety of fresh produce, then accurate color representation is crucial for customers to be able to evaluate the freshness and quality of the products. CRI can impact how products are perceived, affect the mood and atmosphere of the space, and even influence purchasing decisions.

A high CRI lighting system ensures that the colors of products appear natural and vibrant, making them more visually appealing to customers. This can lead to increased sales as customers are more likely to be attracted to and purchase products that appear fresh and colorful. In addition to its impact on color accuracy, CRI can also impact the visual comfort of individuals in a space. High CRI lighting can also help to create a pleasant and inviting atmosphere in the store, making it a more enjoyable place for customers to shop. Lighting with a low CRI can cause eye strain, headaches, and other visual discomforts, making it challenging to perform tasks or focus for extended periods.

Besides of concerning in CRI that provides the right balance of color accuracy, it is also important to choose lighting that provides visual comfort, and energy efficiency for a groceries store.

References: https://quickandeasylighting.com/what-is-cri/