Tn [Kelvin] 1000000/Tn [Mired] Illuminant, nature Source, simulation > 5300 K: “Daylight white” natural lighting 13 500 to 27 000 Approx. 74 to 37 North blue sky – 9 300 107 – Original white point of CRT screens 9 000 to 12 000 111 to 83 “The blue hour” Only perceptible with eyes used to warm white 8 500 125 Lighting in fog – 7504 (“7500”) 133 D75 – North sky daylight Predefined in just…