Hexagonal pattern #2379
Dark CC 0A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
More Textures
"Honeycomb", Orange Background Pattern #1313
Orange CC BY-SA 3.0The following orange background pattern resembles a honeycomb.
Source V. Hartikainen
Fruit on a branch #1967
Dark CC 0From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Green Tiles, Background Pattern #1329
Green CC BY-SA 3.0A free background pattern with abstract green tiles.
Source V. Hartikainen
Squares #302
Dark CC BY-SA 3.0Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
Blizzard #663
Paper CC BY-SA 3.0This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
Rice Paper 2@2X #341
Paper CC BY-SA 3.0One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
Background pattern #1941
Brown CC 0Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
Arches@2X #716
Light CC BY-SA 3.0One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
Background pattern 29 #200
Dark CC 0Pattern produced in Paint.net using the Vibrato plug-in.
Source Firkin
Overlapping planks 3 #2573
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Abstract Arbitrary Geometric Background #497
Noise CC 0Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
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
Woven #290
Dark CC BY-SA 3.0Can’t believe we don’t have this in the collection already! Slick woven pattern with crisp details.
Source Max Rudberg
Wood Pattern@2X #371
Wood CC BY-SA 3.0One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
Paven #296
Grid CC BY-SA 3.0A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Prismatic Hexagonalism Pattern No Background@2X #803
Light CC 0Prismatic Hexagonalism Pattern No Background
Source GDJ
Well #1261
Wall CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Diagonal Striped Brick #679
Stripes CC BY-SA 3.0Might not be super subtle, but quite original in its form.
Source Alex Smith
Flower 193 #1794
Green CC 0From a drawing in 'Prose and Verse ', William Linton, 1836.
Source Firkin
Light Paper Fibers #835
Paper CC BY-SA 3.0More in the paper realm, this time with fibers.
Source Jorge Fuentes
Dark Stripes@2X #40
Dark CC BY-SA 3.0Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić