Fig. 2

Thermal management potential of colours. a, b Net radiative thermal load (a) and tunable range (b) of colours with fixed chromaticity (a = 0, b = 0), as a function of lightness (L from 0 to 100). The inset in Fig. 2b indicates the location of the computed colours in 3D colour space. c, d Net radiative thermal load (c) and tunable range (d) of colours with fixed lightness (L = 60) and saturation (Cab = 60), as a function of hue angle (\(h_{{{ab}}} = \arctan \left( {b/a} \right)\) from 360° to 0°). The inset in Fig. 2d indicates the location of the computed colours in 3D colour space. e Tunable temperature range of commonly used colours under a typical non-radiative heat dissipation condition hc = 12 Wm−2·K−1