Powder-coating color is not just aesthetic; it is a visual-management tool that uses color to distinguish material categories, zones, and statuses, directly reducing mis-pick and mis-ship rates. Before finalizing color, think through what information the color must convey.
Common visual colors: green for qualified finished goods, yellow for pending inspection or in transit, red for non-conforming or quarantine zones, blue for general consumables, gray for empty or recycled cages. A plant should use no more than 5 colors—too many causes confusion, and new hires take a week to learn.
Colors can also be tied to workstations: one color for assembly line side, another for warehouse storage locations, and a third for AGV delivery cages, so drivers can tell from afar where a cage should go. This outlasts cage labels, and powder coating is wear- and fade-resistant.
Color selection must consider workshop lighting: light-colored cages look dirty in dim warehouses, dark cages absorb heat under strong light and show scratches easily. Heavy-oil workstations choose dark gray or dark blue to hide dirt; clean workshops choose light blue or light green to match 5S checks. The whole-plant color scheme must be coordinated with floor markings and rack colors.
Practical advice: first hang 3~5 color swatches on site for a week, then lock in the batch color number. Nanjing Tongnuo Warehouse Equipment Manufacturing Co., Ltd. supports RAL color-number custom powder coating and can match color schemes for whole batches per workshop visual plan.