RAL 780-4 vs New Colonial Yellow
Where RAL 780-4 belongs to RAL Effect's range, New Colonial Yellow is a Sherwin-Williams color. RAL 780-4 reads as beige, while New Colonial Yellow reads as beige-yellow — two distinct hue families, not close cousins. They have nearly identical light reflectance values (47 vs 46), so they'll read as similarly Medium in most lighting conditions. The ΔE 5.7 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. 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 780-4 vs New Colonial Yellow Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 780-4 on one side and New Colonial Yellow 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 780-4 comparisons
See how RAL 780-4 stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 47), opening up a space where RAL 780-4 encloses it.
A 5-point LRV gap (52 vs 47) makes Purbeck Stone the marginally brighter of the two.
At LRV 47 vs 30, RAL 780-4 is decisively the brighter choice.
At LRV 60 vs 47, Agreeable Gray is decisively the brighter choice.
Accessible Beige reads slightly lighter (LRV 58 vs 47), a gap that shows most in low-lit rooms.
RAL 780-4 reflects far more light (LRV 47 vs 27), opening up a space where Denim Drift encloses it.
A 3-point LRV gap (47 vs 43) makes RAL 780-4 the marginally brighter of the two.
Tranquil Dawn reads slightly lighter (LRV 55 vs 47), a gap that shows most in low-lit rooms.
With LRVs of 47 and 44, the two reflect almost the same amount of light.
At LRV 84 vs 47, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 47), opening up a space where RAL 780-4 encloses it.
Shoji White reflects far more light (LRV 74 vs 47), opening up a space where RAL 780-4 encloses it.
RAL 780-4 reflects far more light (LRV 47 vs 12), opening up a space where Pewter Green encloses it.
RAL 780-4 reflects far more light (LRV 47 vs 8), opening up a space where Duck Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 47), opening up a space where RAL 780-4 encloses it.
RAL 780-4 reflects far more light (LRV 47 vs 12), opening up a space where Vintage Vogue encloses it.
With LRVs of 47 and 45, the two reflect almost the same amount of light.
At LRV 47 vs 31, RAL 780-4 is decisively the brighter choice.