Green Fibers #91
Dark CC BY-SA 3.0The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
More Textures
White Texture@2X #132
Light CC BY-SA 3.0Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
Dark Tile-able Grunge Texture #1123
Grunge CC BY-SA 3.0Dark Tile-able Grunge Texture. I think this texture can be classified as grunge. It's free and seamless, as always.
Source V. Hartikainen
Kaleidoscope Prismatic Abstract No Background #387
Noise CC 0Kaleidoscope Prismatic Abstract No Background
Source GDJ
Background pattern 246 (colour 3) #2184
Green CC 0This was formed by distorting an image of a background on Pixabay.
Source Firkin
Reticular Tissue #763
Light CC BY-SA 3.0The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Squares #302
Dark CC BY-SA 3.0Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
Background pattern 258 (colour) #2134
Red CC 0Remixed from a design on Pixabay. To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Candy cane pattern #1853
Noise CC 0Remixed from a PNG that was uploaded to Pixabay by k_jprather
Source Firkin
Green Wall #1268
Wall CC 0Zero CC bark from fur tree tileable texture, photographed and made by me. CC0
Source Sojan Janso
Decorative divider 218 #2232
Dark CC 0Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
Diamond pattern (colour 4) #2282
Blue CC 0From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Tex2res3 #723
Fabric CC BY-SA 3.0Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Prismatic Geometric Pattern Background 2 No Black@2X #784
Noise CC 0Prismatic Geometric Pattern Background 2 No Black
Source GDJ
GPlay@2X #736
Light CC BY-SA 3.0A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
Metal Grid Pattern #1091
Metal CC BY-SA 3.0A repeatable image with dark background and metal grid pattern.
Source V. Hartikainen
Decorative divider 186 #2560
Green CC 0From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
Prismatic Groovy Concentric Background 3@2X #458
Noise CC 0Prismatic Groovy Concentric Background 3
Source GDJ
Snowflake remix #155
Dark CC 0A bit simplified version. Although it could be edited out to be simpler. Anyway, this time the tiling is converted to a pattern fill -which is using clipping for the tile's edges.
Source Lazur URH
Dark Concrete Wall #1193
Concrete CC BY-SA 3.0A free repetitive background with a dark concrete wall like texture. This one may be used in dark web site designs.
Source V. Hartikainen
Decorative divider 216 #2243
Dark CC 0Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
Background pattern 227 #2314
Yellow CC 0A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Real Carbon Fiber #286
Carbon CC BY-SA 3.0Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee