Colza yellow vs Sun yellow
Both from RAL Classic's palette. These are both beige-yellows, so the question isn't which hue to choose — it's where within beige-yellow to land. Colza yellow (LRV 54) reflects noticeably more light than Sun yellow (LRV 41), a difference of 13 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 19.8, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Colza yellow vs Sun yellow in Real Spaces
1 real room side by side. Seeing Colza yellow and Sun yellow in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Front Door
A front door is a focal point — small color differences read clearly at this concentrated scale. The LRV gap is large enough that Colza yellow will make the room feel meaningfully brighter than Sun yellow would.
Color Details
Colza yellow vs Sun yellow Simulated Comparison
5 simulated room previews — drag the slider on each to see Colza yellow on one side and Sun 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 Colza yellow comparisons
See how Colza yellow stacks up against other well-photographed colors across different brands and tones.
