This subset of RAL Classic colours primarily contains shades of Grey colour. All colour codes in this range starts with RAL-7xxx, this is distinctive feature for grey "Classic" RAL colour range. This is arguably, the most common and popular range of RAL Classic colours. Maybe because those are the most universal and practical shades of colour. The colour tones listed here are not too flashy and it makes them very applicable in different industries. You might also notice, that some of these colours appear quite brown and creamy, but there are not all brownish looking colors on this colour chart, as most of those a grouped to brown shades colour section. Some grey-brownish tones are also found in other sections like yellow RAL colours. But you can definitely find more grey colours on White and Black section of this colour chart.
Click any of these colours for extensive details and more similarly looking color swatches. If you're still not quite sure, using ral colour search might bring you the answers that you need.
Most people also find, that comparing RAL Colors side by side is also a very handy tool for colour selection.
Get from amazon.co.uk