Background pattern 1 #220
Noise CC 0A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
More Textures
Fabric of Squares@2X #1096
Light CC BY-SA 3.0As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Background pattern 253 #2153
Brown CC 0A seamless pattern created from a square tile. To get the tile, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
White Linen@2X #840
Light CC BY-SA 3.0Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
Black Wall #1262
Wall CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Background pattern 314 (colour 2) #1838
Green CC 0The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Prismatic Geometric Pattern Background No Black #408
Noise CC 0Prismatic Geometric Pattern Background No Black
Source GDJ
Cream Dust #980
Light CC BY-SA 3.0I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
Subtle Grunge@2X #1041
Light CC BY-SA 3.0A heavy hitter at 400x400px, but lovely still.
Source Breezi
Floral pattern 6 (colour 3) #2459
Fabric CC 0Alternative colour scheme for the original floral pattern.
Source Firkin
Element of beach pattern with background #254
Noise CC 0Element of beach pattern with background.
Source Rones
Prismatic Abstract Background Design #403
Noise CC 0Prismatic Abstract Background Design
Source GDJ
Colorful Floral Background 3 No Black@2X #486
Light CC 0Colorful Floral Background 3 No Black
Source GDJ
Batthern #324
Grid CC BY-SA 3.0Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
Batthern@2X #325
Grid CC BY-SA 3.0Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
Background pattern 215 (colour 3) #2369
Pink CC 0A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Tasky@2X #668
Dark CC BY-SA 3.0Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
Prismatic Geometric Tessellation Pattern 2 No Background #553
Noise CC 0Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
Embossed Paper@2X #732
Paper CC BY-SA 3.0One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
Green Background With Leaves #1331
Green CC BY-SA 3.0It looks very nice I think.
Source V. Hartikainen
Tex2res2 #719
Fabric CC BY-SA 3.0Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Art Nouveau ornament-seamless pattern #2550
Brown CC 0This is the remix of an OCAL clipart called "Art Nouveau ornament" uploaded by "microcosme".Thanks.This is a seamless pattern of an Art Nouveau ornament.
Source Yamachem
Elastoplast #282
Light CC BY-SA 3.0A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
Rough Concrete Surface #1195
Concrete CC BY-SA 3.0This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen
Floral background 21 (colour) #1784
Dark CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Prismatic Groovy Concentric Background 4 #461
Noise CC 0Prismatic Groovy Concentric Background 4
Source GDJ