Concrete Color for Architects, Solomon Colors

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Legacy Decorative
Concrete Systems, Inc.
An Independent Subsidiary of
Solomon Colors, Inc.

Solar Reflectance of Concrete Specimens

Solomon Colors is committed to working toward better materials for improving
sustainability and earth-friendly concrete construction. Using our higher
reflective pigments can help in the attainment of LEED points for green
building projects.

Average Solar Reflectance (rounded) as tested by Independent Authorized Testing Laboratory

MIX NAME	SOLAR REFLECTANCE	SOLAR REFLECTANCE INDEX (SRI)*
6 Sack Mix 2% 115 Yellow	0.48	56
6 Sack Mix 4% 115 Yellow	0.43	49
6 Sack Mix 2% 413 Red	0.44	50
6 Sack Mix 4% 413 Red	0.42	48
6 Sack Mix 2% 600 White	0.52	61
6 Sack Mix 3% 600 White	0.54	64
6 Sack Mix 4% 600 White	0.59	71
6 Sack Mix 2% 242 Sahara	0.41	46
6 Sack Mix 2% 115 Yellow and 2% 600 White	0.44	50
6 Sack Mix 4% 115 Yellow and 4% 600 White	0.47	54
6 Sack Mix 2% 413 Red and 2% 600 White	0.44	50
6 Sack Mix 4% 413 Red and 4% 600 White	0.42	48
413 Fox	0.34	37
288 Ginger	0.37	41
288 Bamboo	0.37	41
757 Pecan	0.37	41
757 Antique Gold	0.37	41
755 Driftwood	0.36	40
755 Spice	0.37	41
306 Canvas	0.34	37
306 Toffee	0.28	29
306 Burlap	0.28	29
238 Doeskin	0.37	41
238 Buttercup	0.39	44
385 Taupe	0.28	29
2% 125 Olive Buff	0.34	37
4.5% 125 Olive Buff	0.34	37

Unless otherwise noted, these tests were done in a medium gray cement at a 5.5 sack mix. Results may vary using darker cements.
* Solar reflectance index (SRI) calculated according to ASTM E 1980 – 01 Standard Practice for Calculating Solar Reflectance Index of Horizontal and Low-Sloped Opaque Surfaces, assuming an emmitance of 0.9, which is appropriate for concrete.
Click to download a pdf of the Solar Reflectance of Concrete Specimens Chart