Celtic Forest 3 vs Olive green
Celtic Forest 3 (Dulux) and Olive green (RAL Classic) come from different manufacturers. Hue-wise, Celtic Forest 3 belongs to the beige-greige family and Olive green to the green-yellow family. The 41-point LRV gap — 52 for Celtic Forest 3 vs 11 for Olive green — means Celtic Forest 3 will open up a space more effectively. A ΔE of 42.2 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Celtic Forest 3 vs Olive green in Real Spaces
1 real room side by side. Seeing Celtic Forest 3 and Olive green 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
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 Olive green.
Color Details
Celtic Forest 3 vs Olive green Simulated Comparison
5 simulated room previews — drag the slider on each to see Celtic Forest 3 on one side and Olive green 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 Celtic Forest 3 comparisons
See how Celtic Forest 3 stacks up against other well-photographed colors across different brands and tones.










































