Pure Brilliant White vs Sea Serpent
Pure Brilliant White (Dulux) and Sea Serpent (Sherwin-Williams) come from different manufacturers. Hue-wise, Pure Brilliant White belongs to the greige-white family and Sea Serpent to the blue family. The 77-point LRV gap — 84 for Pure Brilliant White vs 7 for Sea Serpent — means Pure Brilliant White will open up a space more effectively. Where Pure Brilliant White leans warm, Sea Serpent reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 63.0 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 5 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Pure Brilliant White vs Sea Serpent in Real Spaces
5 real rooms side by side. Seeing Pure Brilliant White and Sea Serpent in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Pure Brilliant White reflects noticeably more light off the walls, making the space read more open than Sea Serpent.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Pure Brilliant White returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. Pure Brilliant White returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. Pure Brilliant White returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
House
A full exterior is the most demanding test for a paint color — scale and outdoor light both amplify differences that seem small on a swatch. Pure Brilliant White returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Pure Brilliant White vs Sea Serpent Simulated Comparison
5 simulated room previews — drag the slider on each to see Pure Brilliant White on one side and Sea Serpent 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 Pure Brilliant White comparisons
See how Pure Brilliant White stacks up against other well-photographed colors across different brands and tones.
