Tar vs Grey Blue
Where Tar belongs to Farrow & Ball's range, Grey Blue is a RAL Classic color. Tar reads as grey, while Grey Blue reads as blue-grey — two distinct hue families, not close cousins. They have nearly identical light reflectance values (9 vs 7), so they'll read as similarly Dark in most lighting conditions. The ΔE 7.4 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Tar vs Grey Blue in Real Spaces
1 real room side by side. Tar and Grey Blue 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.
Color Details
Tar vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Tar on one side and Grey 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 Tar comparisons
See how Tar stacks up against other well-photographed colors across different brands and tones.










































