The present invention relates to remote photoplethysmography and in particular to a system and method for determining vital sign information of a subject. The system comprises a marker that is applied to a skin of the subject, said marker further comprising a first marker area configured to transmit light at a first wavelength and a second marker area configured to transmit light at a second wavelength, a detection unit that detects radiation received from the first marker area and from the second marker area of the marker, and an analysis unit that determines the vital sign information of the subject from the detected radiation from the first marker area and from the second marker area.
