Newburyport Blue vs Celtic Forest 3
Newburyport Blue (Benjamin Moore) and Celtic Forest 3 (Dulux) come from different manufacturers. Hue-wise, Newburyport Blue belongs to the blue family and Celtic Forest 3 to the beige-greige family. The 42-point LRV gap — 52 for Celtic Forest 3 vs 10 for Newburyport Blue — means Celtic Forest 3 will open up a space more effectively. Where Newburyport Blue leans blue, Celtic Forest 3 reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 48.8 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.
Newburyport Blue vs Celtic Forest 3 in Real Spaces
5 real rooms side by side. Seeing Newburyport Blue and Celtic Forest 3 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. Celtic Forest 3 reflects noticeably more light off the walls, making the space read more open than Newburyport Blue.
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. Celtic Forest 3 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. Celtic Forest 3 returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Mudroom
In a hardworking space like a mudroom, the depth and warmth of a color reads differently than in a quieter room. The LRV gap is large enough that Celtic Forest 3 will make the room feel meaningfully brighter than Newburyport Blue would.
Front Door
On a front door, the color is both the first and last thing you see — a context where even a modest tonal difference reads clearly. Celtic Forest 3 reflects noticeably more light off the walls, making the space read more open than Newburyport Blue.
Color Details
Newburyport Blue vs Celtic Forest 3 Simulated Comparison
5 simulated room previews — drag the slider on each to see Newburyport Blue on one side and Celtic Forest 3 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 Newburyport Blue comparisons
See how Newburyport Blue stacks up against other well-photographed colors across different brands and tones.
