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
Prismatic Curved Diamond Pattern 7 No Background@2X #548
Noise CC 0Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
Background pattern 215 (colour 2) #2370
Blue CC 0A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Background pattern 245 (colour 5) #2188
Green CC 0This was formed by distorting an image of a background on Pixabay.
Source Firkin
Aged Grid Paper Background #1072
Paper CC BY-SA 3.0A seamless web background with texture of aged grid paper.
Source V. Hartikainen
Prismatic Triangular Background Design Mark II 5@2X #788
Dark CC 0Prismatic Triangular Background Design Mark II 5
Source GDJ
Prismatic Groovy Concentric Background 5 No Black #467
Dark CC 0Prismatic Groovy Concentric Background 5 No Black
Source GDJ
Dark Wall #817
Dark CC BY-SA 3.0Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
Light & Boards #1297
Wood CC 0ZeroCC tileable wood boards texture, photographed and made by me. CC0
Source Sojan Janso
Black Linen #63
Dark CC BY-SA 3.0In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
Ribbon pattern 2 (version 2, colour 3) #2037
Colorful CC 0The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Red #1247
Red CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Paper Fibers #1060
Paper CC BY-SA 3.0Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
Floral pattern 6 (colour 2) #2460
Fabric CC 0Alternative colour scheme for the original floral pattern.
Source Firkin
Background pattern 230 (colour 3) #2303
Green CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Graphene pattern 2 #2234
Dark CC 0Formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Decorative divider 215 #2242
Dark CC 0Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
PS Neutral@2X #1135
Light CC BY-SA 3.0This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
Grey Washed Wall@2X #1129
Wall CC BY-SA 3.0This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Seamless Cardboard Texture #1212
Cardboard CC BY-SA 3.0A free background image with a seamless texture of cardboard. This texture of cardboard looks quite realistic, especially when is actually tiled.
Source V. Hartikainen