Celestial Blue vs Illusive Green
Celestial Blue (Little Greene) and Illusive Green (Sherwin-Williams) come from different manufacturers. Celestial Blue reads as blue-green, while Illusive Green reads as green-grey — two distinct hue families, not close cousins. The 15-point LRV gap — 44 for Celestial Blue vs 29 for Illusive Green — means Celestial Blue will open up a space more effectively. Where Celestial Blue leans green, Illusive Green reads neutral — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 12.6 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Celestial Blue vs Illusive Green in Real Spaces
4 real rooms side by side. Seeing Celestial Blue and Illusive Green 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. Celestial Blue reflects noticeably more light off the walls, making the space read more open than Illusive Green.
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. Celestial Blue 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. Celestial Blue returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
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. Celestial Blue reflects noticeably more light off the walls, making the space read more open than Illusive Green.
Color Details
Celestial Blue vs Illusive Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Celestial Blue on one side and Illusive 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 Celestial Blue comparisons
See how Celestial Blue stacks up against other well-photographed colors across different brands and tones.
