Pastel yellow vs Summer Day
Pastel yellow (RAL Classic) and Summer Day (Sherwin-Williams) come from different manufacturers. Pastel yellow reads as beige-yellow, while Summer Day reads as beige — two distinct hue families, not close cousins. The 3-point LRV gap — 47 for Summer Day vs 44 for Pastel yellow — means Summer Day will open up a space more effectively. ΔE 8.6 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Pastel yellow vs Summer Day Simulated Comparison
5 simulated room previews — drag the slider on each to see Pastel yellow on one side and Summer Day 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 Pastel yellow comparisons
See how Pastel yellow stacks up against other well-photographed colors across different brands and tones.








































