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Shale rock layers. COLORBOND® steel Shale Grey® in a Matt finish

Shale Grey™ Matt finish

Colour Values

CMYK23 14 20 6
RGB198 201 196

Nominal Thermal Values

Solar Absorptance0.46
Solar Reflectance Index63

These solar absorptance values are nominal values based on new product. Solar absorptance has been measured in accordance with ASTM E 903-96, ‘Standard test method for solar absorptance, reflectance and transmittance of materials using integrating spheres’. Solar absorptance is a thermal property and is not suitable for evaluation of visual impacts. Thermal values published 23/8/2022. For further information refer to BlueScope Technical Bulletin TB 39 Thermal performance of roofing materials.

Calming versatility

A reflection of the calm tones of silvered tree barks and granite, Shale Grey™ is a delicate and warm grey. The lighter tone and velvety surface of COLORBOND® steel Shale Grey™ in a Matt finish creates an elegant and nuanced outcome. Highly versatile, COLORBOND® steel Shale Grey™ in a Matt finish complements and enhances a variety of building materials by bringing out the depth and texture in granite, dark timber, grey brickwork and popular light renders. Use COLORBOND® steel Shale Grey™ in a Matt finish on roofing, walling, trims and garage doors for a fresh, contrasting effect, or use as a highlight alongside darker tones.

Available in


The colours shown represent actual product colours as accurately as possible. However, we recommend checking your chosen colour against an actual sample of the product before purchasing, as varying screens and devices may affect colour tones and finishes.