Comparison of compared and observed colours. This figure shows that we can reproduce the observed colours with the CIGALE models. Top: modelled colours (green boxes for and red dots for ) are in excellent agreement with the observed ones within the observed uncertainties. The black line shows the one-to-one line, and the grey shaded area presents the boundaries at ±5% (y = 0.95 x and y = 1.05 x). Bottom: This conclusion is confirmed in this panel, where we present the absolute differences in the logarithm of the two colours used in Fig. 3. In both panels, the red circled point corresponds to SPT0348-62, which is already identified in Fig. 3 as one of the objects only partially covered by the models.