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.
At LRV 83 vs 45, White Dove is decisively the brighter choice.
Purbeck Stone reads slightly lighter (LRV 52 vs 45), a gap that shows most in low-lit rooms.
RAL 740-3 reflects far more light (LRV 45 vs 30), opening up a space where Evergreen Fog encloses it.
Agreeable Gray reflects far more light (LRV 60 vs 45), opening up a space where RAL 740-3 encloses it.
At LRV 58 vs 45, Accessible Beige is decisively the brighter choice.
At LRV 45 vs 27, RAL 740-3 is decisively the brighter choice.
With LRVs of 45 and 43, the two reflect almost the same amount of light.
A 10-point LRV gap (55 vs 45) makes Tranquil Dawn the marginally brighter of the two.
Their light reflectance is nearly identical (LRV 45 vs 44), so neither reads brighter in a room.
Pure White reflects far more light (LRV 84 vs 45), opening up a space where RAL 740-3 encloses it.
At LRV 66 vs 45, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 45, Shoji White is decisively the brighter choice.
At LRV 45 vs 12, RAL 740-3 is decisively the brighter choice.
At LRV 68 vs 45, Skimming Stone is decisively the brighter choice.
At LRV 45 vs 12, RAL 740-3 is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 45 vs 45), so neither reads brighter in a room.
RAL 740-3 reflects far more light (LRV 45 vs 31), opening up a space where Pale Green encloses it.
RAL 740-3 reflects far more light (LRV 45 vs 7), opening up a space where Pine Needle encloses it.
RAL 740-3 reflects far more light (LRV 45 vs 24), opening up a space where Cement grey encloses it.
Guilford Green reads slightly lighter (LRV 57 vs 45), a gap that shows most in low-lit rooms.