Seal brown is a rich dark brown color, resembling the color of the dyed fur from the fur seal.

Quick Facts Color coordinates, Hex triplet ...

Seal brown
Color coordinates
Hex triplet	#59260B
sRGBB (r, g, b)	(89, 38, 11)
HSV (h, s, v)	(21°, 88%, 35%)
CIELChuv (L, C, h)	(22, 40, 26°)
Source	Mason Paints[1]
ISCC–NBS descriptor	Deep brown
B: Normalized to [0–255] (byte)

Close

The specifications for the U.S. Army Air Corps Type A-2 jacket (regulation summer flying jacket), adopted in 1931 and the most familiar among all leather flight jackets, stated that it should be made of horsehide tanned to seal brown. ^{[citation needed]} However, initially, oxidation during the dyeing process caused the jackets to end up russet (a lighter, reddish brown) in color. ^{[citation needed]} Later in the decade, they were able to prevent oxidation during dyeing, and the jackets produced were a proper dark brown. ^{[citation needed]}

Seal brown is one of the official colors of Lehigh University, Brown University,^[2] the Cleveland Browns football team,^[3] and the engineering honor society, Tau Beta Pi.^[4]

• List of colors