How can brands maintain consistent label colours across multiple SKUs?

Brands maintain consistent label colours across multiple SKUs by specifying key brand colours as Pantone spot colours rather than relying on CMYK approximation, retaining approved physical colour references for the printer to match against, and working with a single manufacturer whose press calibration and colour management processes are consistent across the full product range.

The most direct control is specifying critical brand colours, such as a logo colour or a category-differentiating background colour, as exact Pantone references rather than leaving them to be approximated through CMYK process printing, since Pantone spot colours are formulated to a fixed standard and reproduce more consistently across different print runs and, to a reasonable extent, across different presses. Retaining an approved physical colour sample from an early production run gives both the brand and the manufacturer a tangible reference to check future batches against, which is generally more reliable than comparing only to a digital file, since screen and desktop proof colours do not always match final printed output precisely.

Working with a single manufacturer across a full SKU range, rather than splitting production across multiple suppliers, also supports consistency, since press calibration, ink sourcing, and colour management practices can vary between manufacturers even when working from identical Pantone specifications. For brands with a large and growing SKU portfolio, maintaining a documented brand colour standard, including exact Pantone numbers, approved substrate types, and reference physical samples, gives any manufacturer working on the account a clear, objective target rather than relying on informal visual matching between products introduced at different times.