RAL 640-2 vs RAL 660-4

Side-by-side comparison of RAL 640-2 and RAL 660-4. Click on a color to view its full details page.

Color Comparison

With a Delta E of 17.3, these colors are very different. Both colors belong to the Blue hue family. Both colors have a cool temperature. RAL 660-4 is brighter with an LRV of 39.1 compared to 19.6 for RAL 640-2. Both colors have similar saturation levels.

Color Difference (ΔE) CIEDE2000 perceptual difference
17.32 Very different
0 5 10 20+
RAL 640-2 RAL 660-4
RGB
Red 65 Green 127 Blue 179
Red 107 Green 177 Blue 207
CMYK
Cyan 64% Magenta 29% Yellow 0% Key 30%
Cyan 48% Magenta 14% Yellow 0% Key 19%
Hue
207° (Blue)
198° (Blue)
Saturation 47% 51%
Lightness 48% 62%
LRV 19.6 39.1
CIE L* 50.8 68.4
Color Temperature Cool 6362 K Cool 5902 K

See Colors in Context

Window
Front Door
Entrance
Balcony
Window Frame Detail
← Back to all colors