Gray Suit vs RAL 630-4
Where Gray Suit belongs to PPG's range, RAL 630-4 is a RAL Effect color. Hue-wise, Gray Suit belongs to the blue-grey family and RAL 630-4 to the blue family. Gray Suit (LRV 34) reflects noticeably more light than RAL 630-4 (LRV 6), a difference of 28 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 40.2, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 5 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Gray Suit vs RAL 630-4 in Real Spaces
5 real rooms side by side. Seeing Gray Suit and RAL 630-4 in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Gray Suit will make the room feel meaningfully brighter than RAL 630-4 would.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Gray Suit reflects noticeably more light off the walls, making the space read more open than RAL 630-4.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Gray Suit reflects noticeably more light off the walls, making the space read more open than RAL 630-4.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Gray Suit reflects noticeably more light off the walls, making the space read more open than RAL 630-4.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Gray Suit reflects noticeably more light off the walls, making the space read more open than RAL 630-4.
Color Details
Gray Suit vs RAL 630-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Gray Suit on one side and RAL 630-4 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 Gray Suit comparisons
See how Gray Suit stacks up against other well-photographed colors across different brands and tones.

















































