National colours of Greece of arms of Greece consists of a white cross on a blue escutcheon which is surrounded by two laurel branches. Although the tincture for the branches is designated as "proper", which implies the colour found in nature, it is usually displayed with blue laurel branches; the president, military, and security services use golden branches instead. The Flag of Greece is also blue and white, as defined by Law 851/1978 "Regarding the National Flag". It specifies the colour of "cyan" (Greek: κυανό, "kyano"), meaning "blue", so the shade of blue is ambiguous. The Order of the Redeemer and military decoration Cross
Flag of Greece flags was the "labarum". In the surviving pictorial sources of the middle and later Empire, primarily the illustrated Skylitzes Chronicle, the predominating colours are red and blue in horizontal stripes, with a cross often placed in the centre of the flag. Other common symbols, prominently featuring on seals, were depictions of Christ, the Virgin Mary and saints, but these represent personal rather than family or state symbols. Western European-style heraldry was largely unknown until the last centuries of the Empire. There is no mention of any "state" flag until the mid-14th century, when a Spanish atlas, the "Conosçimiento de todos