Solid@2X #846
Gray CC BY-SA 3.0A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
More Textures
Bright Multicolored Floral Background #559
Noise CC 0Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
Background pattern 215 #2371
Brown CC 0A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Arches #715
Light CC BY-SA 3.0One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
Prismatic Polyskelion Pattern No Background #394
Light CC 0Prismatic Polyskelion Pattern No Background
Source GDJ
Background pattern 308 (colour 2) #1871
Green CC 0Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Subtle Carbon@2X #950
Dark CC BY-SA 3.0There are many carbon patterns, but this one is tiny.
Source Designova
Rough Concrete Surface #1194
Concrete CC BY-SA 3.0A seamless texture of a rough concrete surface.
Source V. Hartikainen
Tessellation 16 (colour 2) #2214
Colorful CC 0The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Floral design 99 #1776
Dark CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
WaveCut@2X #76
Light CC BY-SA 3.0If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Prismatic Curved Diamond Pattern 6 No Background@2X #546
Dark CC 0Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
plant pattern 02 #2504
Unknow CC 0The image a seamless pattern derived from a weed which I can't identify.The original weed image is from here:https://jp.pinterest.com/pin/500744052301423641/
Source Yamachem
Green Wall #1252
Wall CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Background pattern 323 (colour 3) #1810
Yellow CC 0Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Prismatic Polka Dots Mark II 2 No Background #532
Noise CC 0Prismatic Polka Dots Mark II 2 No Background
Source GDJ
Blue Wallpaper For Websites #910
Stripes CC BY-SA 3.0A blue background wallpaper for websites. It has a seamless texture with vertical stripes. It looks quite nice not only when using as a tiled background on websites, but also on computer desktops.
Source V. Hartikainen
Brick texture floor #1704
Wall CC 0Found on the ground in french cafe in kunming, Yunnan, china
Source Rejon
Decorative divider 207 #2367
Dark CC 0Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Decorative divider 277 #1906
Colorful CC 0Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Rice Paper #3@2X #1188
Paper CC BY-SA 3.0Oh yes, it happened! A pattern in full color.
Source Atle Mo
Background pattern 255 (colour) #2141
Brown CC 0Colour version of the original pattern.
Source Firkin
Decorative divider #1986
Dark CC 0Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin