Cobalt blue vs Evergreen Fog
Where Cobalt blue belongs to RAL Classic's range, Evergreen Fog is a Sherwin-Williams color. Hue-wise, Cobalt blue belongs to the blue family and Evergreen Fog to the green-grey family. Evergreen Fog (LRV 30) reflects noticeably more light than Cobalt blue (LRV 6), a difference of 24 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 51.9, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Cobalt blue vs Evergreen Fog in Real Spaces
2 real rooms side by side. Seeing Cobalt blue and Evergreen Fog 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
A front door is a focal point — small color differences read clearly at this concentrated scale. The LRV gap is large enough that Evergreen Fog will make the room feel meaningfully brighter than Cobalt blue would.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Evergreen Fog reflects noticeably more light off the walls, making the space read more open than Cobalt blue.
Color Details
Cobalt blue vs Evergreen Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Cobalt blue on one side and Evergreen Fog 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 Cobalt blue comparisons
See how Cobalt blue stacks up against other well-photographed colors across different brands and tones.
