RAL 7021 Black grey vs RAL 7040 Window grey
Side-by-side comparison of RAL 7021 and RAL 7040. Click on a color to view its full details page.
Color Comparison
With a Delta E of 38.6, these colors are very different. Both colors belong to the Blue hue family. Both colors have a neutral temperature. RAL 7040 is brighter with an LRV of 32.8 compared to 3.5 for RAL 7021. Both colors have similar saturation levels.
Color Difference (ΔE)
CIEDE2000 perceptual difference
38.65
Very different
0
5
10
20+
| RAL 7021 Black grey | RAL 7040 Window grey | |
|---|---|---|
| RGB |
Red 50
Green 53
Blue 55
|
Red 150
Green 156
Blue 161
|
| CMYK |
Cyan 9%
Magenta 4%
Yellow 0%
Key 78%
|
Cyan 7%
Magenta 3%
Yellow 0%
Key 37%
|
| Hue |
204° (Blue)
|
207° (Blue)
|
| Saturation | 5% | 6% |
| Lightness | 21% | 61% |
| LRV | 3.5 | 32.8 |
| CIE L* | 21.9 | 64.0 |
| Color Temperature | Neutral 4520 K | Neutral 4939 K |
See Colors in Context
Window
Front Door
Entrance
Balcony
Window Frame Detail
