Light Gray@2X #1204
Gray CC BY-SA 3.0Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
More Textures
Decorative divider 229 #2151
Dark CC 0From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
Floral design 101 (version 2) #1757
Green CC 0From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Chipboard #2581
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Worn Dots@2X #710
Fabric CC BY-SA 3.0These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
Wave Grind #1132
Light CC BY-SA 3.0Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
Square ornament 31 #2434
Dark CC 0Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
Silver Scales #189
Light CC BY-SA 3.0Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Wild Oliva #988
Dark CC BY-SA 3.0Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
Prismatic Geometric Pattern Variation 2 With Background #471
Noise CC 0Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
Prismatic Isometric Cube Extra Pattern No Background #405
Light CC 0Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
Geometric pattern #2002
Dark CC 0A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Green Fibers #91
Dark CC BY-SA 3.0The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Decorative divider 211 #2362
Dark CC 0From a drawing in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
Classy Fabric@2X #612
Dark CC BY-SA 3.0This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
Fabric pattern #2402
Fabric CC 0Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Background pattern 259 (colour 2) #2132
Green CC 0Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Twinkle Twinkle@2X #1011
Dark CC BY-SA 3.0A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
Debut Dark@2X #1015
Dark CC BY-SA 3.0Same classic 45-degree pattern, dark version.
Source Luke McDonald
Background pattern 265 #2081
Dark CC 0Remixed from a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Decorative divider 245 #2079
Dark CC 0From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Background pattern 320 (colour 2) #1829
Dark CC 0Formed by distorting a JPG from PublicDomainPictures
Source Firkin
Prismatic Groovy Concentric Background 5@2X #466
Dark CC 0Prismatic Groovy Concentric Background 5
Source GDJ
Background pattern 333 #1741
Noise CC 0The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin