Sun yellow vs Ultramarine blue
Both from RAL Classic's palette. Hue-wise, Sun yellow belongs to the beige-yellow family and Ultramarine blue to the blue family. Sun yellow (LRV 41) reflects noticeably more light than Ultramarine blue (LRV 7), a difference of 33 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 125.2, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Sun yellow vs Ultramarine blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Sun yellow on one side and Ultramarine blue 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 Sun yellow comparisons
See how Sun yellow stacks up against other well-photographed colors across different brands and tones.
At LRV 69 vs 41, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 41), opening up a space where Sun yellow encloses it.
Sun yellow reflects far more light (LRV 41 vs 6), opening up a space where Iron Ore encloses it.
A 11-point LRV gap (52 vs 41) makes Purbeck Stone the marginally brighter of the two.
A 10-point LRV gap (41 vs 30) makes Sun yellow the marginally brighter of the two.
Mizzle reads slightly lighter (LRV 52 vs 41), a gap that shows most in low-lit rooms.
At LRV 60 vs 41, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 41), opening up a space where Sun yellow encloses it.
Sun yellow reflects far more light (LRV 41 vs 27), opening up a space where Denim Drift encloses it.
Their light reflectance is nearly identical (LRV 43 vs 41), so neither reads brighter in a room.
At LRV 41 vs 4, Sun yellow is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 41), opening up a space where Sun yellow encloses it.
Sun yellow reflects far more light (LRV 41 vs 13), opening up a space where Bancha encloses it.
Hardwick White reads slightly lighter (LRV 44 vs 41), a gap that shows most in low-lit rooms.
At LRV 84 vs 41, Pure White is decisively the brighter choice.
At LRV 41 vs 21, Sun yellow is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 41), opening up a space where Sun yellow encloses it.
Shoji White reflects far more light (LRV 74 vs 41), opening up a space where Sun yellow encloses it.
Snowbound reflects far more light (LRV 83 vs 41), opening up a space where Sun yellow encloses it.
A 10-point LRV gap (51 vs 41) makes Pigeon the marginally brighter of the two.
Sun yellow reflects far more light (LRV 41 vs 12), opening up a space where Pewter Green encloses it.
Sun yellow reflects far more light (LRV 41 vs 8), opening up a space where Duck Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 41), opening up a space where Sun yellow encloses it.
Their light reflectance is nearly identical (LRV 41 vs 41), so neither reads brighter in a room.
Sun yellow reflects far more light (LRV 41 vs 12), opening up a space where Vintage Vogue encloses it.
Saybrook Sage reads slightly lighter (LRV 45 vs 41), a gap that shows most in low-lit rooms.
A 9-point LRV gap (41 vs 31) makes Sun yellow the marginally brighter of the two.