Jack Black vs RAL 790-M
Jack Black is a Little Greene color while RAL 790-M comes from RAL Effect. Hue-wise, Jack Black belongs to the blue family and RAL 790-M to the greige-grey family. At LRV 4 vs 0, RAL 790-M will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. At ΔE 9.9, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Jack Black vs RAL 790-M in Real Spaces
1 real room side by side. Jack Black and RAL 790-M 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.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The brightness difference is modest but present — RAL 790-M gives the walls a little more lift.
Color Details
Jack Black vs RAL 790-M Simulated Comparison
5 simulated room previews — drag the slider on each to see Jack Black on one side and RAL 790-M 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 Jack Black comparisons
See how Jack Black stacks up against other well-photographed colors across different brands and tones.










































