Rookwood Blue Green vs Underseas
Both are Sherwin-Williams colors. Hue-wise, Rookwood Blue Green belongs to the blue-green family and Underseas to the green-grey family. At LRV 25 vs 22, Underseas will read as the brighter of the two — a 4-point gap that matters most in north-facing or low-light rooms. They share a neutral quality — useful to know if you're layering them in the same space. At ΔE 4.9, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 5 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Rookwood Blue Green vs Underseas in Real Spaces
5 real rooms side by side. Rookwood Blue Green and Underseas are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Living Room
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Underseas has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The brightness difference is modest but present — Underseas gives the walls a little more lift.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The brightness difference is modest but present — Underseas gives the walls a little more lift.
Front Door
Front doors are seen in isolation against the rest of the facade, which makes them a high-stakes surface where even subtle differences matter. Underseas has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The brightness difference is modest but present — Underseas gives the walls a little more lift.
Color Details
Rookwood Blue Green vs Underseas Simulated Comparison
5 simulated room previews — drag the slider on each to see Rookwood Blue Green on one side and Underseas 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 Rookwood Blue Green comparisons
See how Rookwood Blue Green stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 22), opening up a space where Rookwood Blue Green encloses it.
At LRV 69 vs 22, Ammonite is decisively the brighter choice.
Rookwood Blue Green reflects far more light (LRV 22 vs 6), opening up a space where Iron Ore encloses it.
At LRV 52 vs 22, Purbeck Stone is decisively the brighter choice.
A 9-point LRV gap (30 vs 22) makes Evergreen Fog the marginally brighter of the two.
Mizzle reflects far more light (LRV 52 vs 22), opening up a space where Rookwood Blue Green encloses it.
At LRV 60 vs 22, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 22), opening up a space where Rookwood Blue Green encloses it.
Denim Drift reads slightly lighter (LRV 27 vs 22), a gap that shows most in low-lit rooms.
At LRV 43 vs 22, French Gray is decisively the brighter choice.
At LRV 22 vs 4, Rookwood Blue Green is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 22), opening up a space where Rookwood Blue Green encloses it.
Rookwood Blue Green reads slightly lighter (LRV 22 vs 13), a gap that shows most in low-lit rooms.
Hardwick White reflects far more light (LRV 44 vs 22), opening up a space where Rookwood Blue Green encloses it.
At LRV 84 vs 22, Pure White is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 22 vs 21), so neither reads brighter in a room.
Balboa Mist reflects far more light (LRV 66 vs 22), opening up a space where Rookwood Blue Green encloses it.
Shoji White reflects far more light (LRV 74 vs 22), opening up a space where Rookwood Blue Green encloses it.
Snowbound reflects far more light (LRV 83 vs 22), opening up a space where Rookwood Blue Green encloses it.
Rookwood Blue Green reads slightly lighter (LRV 22 vs 12), a gap that shows most in low-lit rooms.
Skimming Stone reflects far more light (LRV 68 vs 22), opening up a space where Rookwood Blue Green encloses it.
At LRV 41 vs 22, Dix Blue is decisively the brighter choice.
At LRV 68 vs 22, Calamine is decisively the brighter choice.
A 3-point LRV gap (25 vs 22) makes Treron the marginally brighter of the two.
Rookwood Blue Green reads slightly lighter (LRV 22 vs 12), a gap that shows most in low-lit rooms.
Saybrook Sage reflects far more light (LRV 45 vs 22), opening up a space where Rookwood Blue Green encloses it.
A 10-point LRV gap (31 vs 22) makes Pale Green the marginally brighter of the two.
At LRV 22 vs 7, Rookwood Blue Green is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 24 vs 22), so neither reads brighter in a room.
At LRV 57 vs 22, Guilford Green is decisively the brighter choice.