In heraldry

Heraldry

Heraldry is the profession, study, or art of creating, granting, and blazoning arms and ruling on questions of rank or protocol, as exercised by an officer of arms. Heraldry comes from Anglo-Norman herald, from the Germanic compound harja-waldaz, "army commander"...

, murrey is a "stain", an occasionally used tincture

Tincture (heraldry)

In heraldry, tinctures are the colours used to emblazon a coat of arms. These can be divided into several categories including light tinctures called metals, dark tinctures called colours, nonstandard colours called stains, furs, and "proper". A charge tinctured proper is coloured as it would be...

.

According to dictionaries, murrey is the colour of mulberries

Mulberry

Morus is a genus of flowering plants in the family Moraceae. The 10–16 species of deciduous trees it contains are commonly known as Mulberries....

, somewhere between gules

Gules

In heraldry, gules is the tincture with the colour red, and belongs to the class of dark tinctures called "colours". In engraving, it is sometimes depicted as a region of vertical lines or else marked with gu. as an abbreviation....

 (red) and purpure

Purpure

In heraldry, purpure is a tincture, more or less the equivalent of the colour "purple", and is one of the five main or most usually used colours...

 (violet), almost maroon

Maroon (color)

Maroon is a dark red color.-Etymology:Maroon is derived from French marron .The first recorded use of maroon as a color name in English was in 1789.-Maroon :...

; but examples registered in Canada and Scotland show it as a reddish brown.

The Flag of the Second Spanish Republic

Flag of the Second Spanish Republic

The Flag of the Second Spanish Republic, also known as , was the official flag of Spain between 1931 and 1939 and the flag of the Spanish Republican government in Exile until 1977.-History:...

(in the 1930s) was a tricolour of horizonal stripes of red, yellow and murrey.