Pale crag martin to do so, it would cast doubts on their specific distinctness. There are several subspecies differing in plumage shade or size, although the differences are clinal, and races interbreed where their ranges meet. The pale crag martin of the nominate subspecies "P. o. obsoleta" is 12–13 cm (4.7–5.1 in) long with light brown upperparts, becoming paler on the lower back, and a short square tail that has small white patches near the tips of all but the central and outermost pairs of feathers. It has a pale grey throat, upper breast and underwing coverts, and the rest of the underparts
Palatinate (colour) RGB:126, 49, 123; Hex: 7E317B. A different shade was used in corporate branding prior to 2005. The corporate branding also includes a lighter purple, close in appearance to the palatinate silk used in the academic dress, as one of the secondary corporate colours. This is Pantone 257C; CMYK: 15, 38, 0, 0; RGB: 216, 172, 214; Hex: D8ACE0. Palatinate Blue, used in the Flag of County Durham is: Pantone number 286 (equivalent to CMYK: 100%, 66%, 0%, 34%; RGB: 0, 56, 168; Hex: 0038A8). Palatinate (colour) Palatinate or 'palatinate purple' is a purple colour associated with Durham University. It is