That's OK, because it's extremely attractive, with a lovely brushed stainless steel chassis and dark grey band to match. (androidcentral.com)
Additional warming occurs in cities and urban areas (often referred to as the urban heat island effect), but is confined in spatial extent, and its effects are allowed for both by excluding as many of the affected sites as possible from the global temperature data and by increasing the error range (the light grey band in the figure). (ipcc.ch)
In situ data: grey band represents the spread of an ensemble of equally likely realisations of a global time series estimated from ship and buoy measurements. (esa-sst-cci.org)