Examples of I-band and u − r light curves folded in phase. The colors used for u − r represent the same rotation cycle as the filled diamonds of the same color in I. Mon-56 shows no measurable variability in u − r; Mon-296 shows reddening events in u − r during its eclipses in the I-band; Mon-456 shows a slight reddening during one of its I-band minima (blue diamonds) and bluing events during the other I-band minima (orange and green diamonds); and Mon-1308 shows a bluing, followed by a reddening event during its minima in the CoRoT light curve. It was not possible to identify flux dips in the phase-folded I-band light curve of Mon-1308 because of insufficient cadence, so the phase-folded CoRoT light curve is shown instead. The same period and initial date were used for CoRoT and u − r, though in this case colors do not represent the same phase in both plots.