St Giles Blue vs Sky blue
St Giles Blue is a Farrow & Ball color while Sky blue comes from RAL Classic. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. At LRV 30 vs 19, St Giles Blue will read as the brighter of the two — a 11-point gap that matters most in north-facing or low-light rooms. At ΔE 15.9, 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.
St Giles Blue vs Sky blue in Real Spaces
1 real room side by side. Seeing St Giles Blue and Sky blue 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
Front doors are seen in isolation against the rest of the facade, which makes them a high-stakes surface where even subtle differences matter. St Giles Blue returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
St Giles Blue vs Sky blue Simulated Comparison
5 simulated room previews — drag the slider on each to see St Giles Blue on one side and Sky blue 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 St Giles Blue comparisons
See how St Giles Blue stacks up against other well-photographed colors across different brands and tones.
At LRV 69 vs 30, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 30), opening up a space where St Giles Blue encloses it.
St Giles Blue reflects far more light (LRV 30 vs 6), opening up a space where Iron Ore encloses it.
At LRV 52 vs 30, Purbeck Stone is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 30 vs 30), so neither reads brighter in a room.
Mizzle reflects far more light (LRV 52 vs 30), opening up a space where St Giles Blue encloses it.
At LRV 60 vs 30, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 30), opening up a space where St Giles Blue encloses it.
St Giles Blue reads slightly lighter (LRV 30 vs 27), a gap that shows most in low-lit rooms.
At LRV 43 vs 30, French Gray is decisively the brighter choice.
At LRV 30 vs 4, St Giles Blue is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 30), opening up a space where St Giles Blue encloses it.
St Giles Blue reflects far more light (LRV 30 vs 13), opening up a space where Bancha encloses it.
Hardwick White reflects far more light (LRV 44 vs 30), opening up a space where St Giles Blue encloses it.
At LRV 84 vs 30, Pure White is decisively the brighter choice.
A 9-point LRV gap (30 vs 21) makes St Giles Blue the marginally brighter of the two.
Balboa Mist reflects far more light (LRV 66 vs 30), opening up a space where St Giles Blue encloses it.
Shoji White reflects far more light (LRV 74 vs 30), opening up a space where St Giles Blue encloses it.
Snowbound reflects far more light (LRV 83 vs 30), opening up a space where St Giles Blue encloses it.
At LRV 51 vs 30, Pigeon is decisively the brighter choice.
St Giles Blue reflects far more light (LRV 30 vs 12), opening up a space where Pewter Green encloses it.
St Giles Blue reflects far more light (LRV 30 vs 8), opening up a space where Duck Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 30), opening up a space where St Giles Blue encloses it.
A 11-point LRV gap (41 vs 30) makes Dix Blue the marginally brighter of the two.
St Giles Blue reflects far more light (LRV 30 vs 12), opening up a space where Vintage Vogue encloses it.
Saybrook Sage reflects far more light (LRV 45 vs 30), opening up a space where St Giles Blue encloses it.
Their light reflectance is nearly identical (LRV 31 vs 30), so neither reads brighter in a room.