RAL 660-4
| Colour code | RAL 660-4 |
| Collection | RAL Effect |
| Colour group | Serie 600 |
| Lab | 66,9 · -28,1 · -26,9 |
| Hex (indicative) | #2FB3D1 |
| Light reflectance value (LRV) | 41.54— official RAL value |
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E6 · A6-staalRAL E6 losse kleurstalen uniPart of RAL E6 losse kleurstalen uni · Item RALE-E6-UNI-LOS
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About colour family 660
Colour family from the 600 series: six solid colours and one metallic. The family sits in the mid-light, muted region with a green-blue hue.
The six solid colours. 660-1 through to 660-6. The range covers a wide lightness span, from L* 77 to L* 54. Position -1 and position -6 differ enough to work as a contrasting pair in a design.
The metallic. 660-M is matched to these six and intended to be applied alongside them, not as a replacement for any of the six. The metallic 660-M is comparable in lightness to the six solid colours. Never judge a metallic on a flat sample alone: viewing angle, film thickness and application method all help determine the result. Work with a sample in the final finish.
Technical data. Colour codes: RAL 660-1 to 660-6 and RAL 660-M · Lab values: L* 51.6 to 75.8, a* -31.3 to -18.9, b* -32.4 to -16.4 (660-M: L* 56.4, a* -18.4, b* -19.8) · LRV: 24.1 to 52.9 (660-M: 36.7) · Included in: RAL E1 (primary standard), RAL E3 fan deck, RAL E6 individual colour samples; the metallic also in RAL E4
Related families. RAL Effect 650, RAL Effect 670