RAL 740-3 vs Little Blue Box
RAL 740-3 is a RAL Effect color while Little Blue Box comes from Sherwin-Williams. RAL 740-3 reads as green, while Little Blue Box reads as blue — two distinct hue families, not close cousins. At LRV 49 vs 45, Little Blue Box will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. At ΔE 5.0, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
RAL 740-3 vs Little Blue Box Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 740-3 on one side and Little Blue Box on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More RAL 740-3 comparisons
See how RAL 740-3 stacks up against other well-photographed colors across different brands and tones.
