Colonial Blue vs Guilford Green
Both are Benjamin Moore colors. Colonial Blue reads as blue, while Guilford Green reads as beige-green — two distinct hue families, not close cousins. At LRV 57 vs 35, Guilford Green will read as the brighter of the two — a 22-point gap that matters most in north-facing or low-light rooms. The tonal difference — Colonial Blue's blue character against Guilford Green's yellow — becomes most visible against white trim or in morning light. At ΔE 33.7, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Colonial Blue vs Guilford Green in Real Spaces
1 real room side by side. Seeing Colonial Blue and Guilford Green in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The LRV gap is large enough that Guilford Green will make the room feel meaningfully brighter than Colonial Blue would.
Color Details
Colonial Blue vs Guilford Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Colonial Blue on one side and Guilford 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 Colonial Blue comparisons
See how Colonial Blue stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 35), opening up a space where Colonial Blue encloses it.
At LRV 69 vs 35, Ammonite is decisively the brighter choice.
Colonial Blue reflects far more light (LRV 35 vs 6), opening up a space where Iron Ore encloses it.
At LRV 52 vs 35, Purbeck Stone is decisively the brighter choice.
A 5-point LRV gap (35 vs 30) makes Colonial Blue the marginally brighter of the two.
Mizzle reflects far more light (LRV 52 vs 35), opening up a space where Colonial Blue encloses it.
At LRV 60 vs 35, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 35), opening up a space where Colonial Blue encloses it.
Colonial Blue reads slightly lighter (LRV 35 vs 27), a gap that shows most in low-lit rooms.
A 8-point LRV gap (43 vs 35) makes French Gray the marginally brighter of the two.
At LRV 35 vs 4, Colonial Blue is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 35), opening up a space where Colonial Blue encloses it.
Colonial Blue reflects far more light (LRV 35 vs 13), opening up a space where Bancha encloses it.
Hardwick White reads slightly lighter (LRV 44 vs 35), a gap that shows most in low-lit rooms.
At LRV 84 vs 35, Pure White is decisively the brighter choice.
At LRV 35 vs 21, Colonial Blue is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 35), opening up a space where Colonial Blue encloses it.
Shoji White reflects far more light (LRV 74 vs 35), opening up a space where Colonial Blue encloses it.
Snowbound reflects far more light (LRV 83 vs 35), opening up a space where Colonial Blue encloses it.
Colonial Blue reflects far more light (LRV 35 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 35), opening up a space where Colonial Blue encloses it.
A 6-point LRV gap (41 vs 35) makes Dix Blue the marginally brighter of the two.
At LRV 68 vs 35, Calamine is decisively the brighter choice.
A 10-point LRV gap (35 vs 25) makes Colonial Blue the marginally brighter of the two.
Colonial Blue reflects far more light (LRV 35 vs 12), opening up a space where Vintage Vogue encloses it.
Saybrook Sage reads slightly lighter (LRV 45 vs 35), a gap that shows most in low-lit rooms.
A 4-point LRV gap (35 vs 31) makes Colonial Blue the marginally brighter of the two.
At LRV 35 vs 7, Colonial Blue is decisively the brighter choice.
A 11-point LRV gap (35 vs 24) makes Colonial Blue the marginally brighter of the two.
At LRV 72 vs 35, Just Walnut is decisively the brighter choice.