Low Contrast Linen #863
Dark CC BY-SA 3.0A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
More Textures
Seamless Wood Pattern #889
Wood CC BY-SA 3.0A seamlessly repeating background pattern of wood. The image is procedurally generated, and, I think, it's turned out quite well.
Source V. Hartikainen
Concrete Wall@2X #78
Wall CC BY-SA 3.0Dark blue concrete wall with some small dust spots.
Source Atle Mo
Background pattern pink #1954
Pink CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
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
polka dot seamless pattern #2531
Light CC 0The image depicts polka dot seamless pattern.
Source Yamachem
Floral pattern 15 #1753
Dark CC 0The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Gold Scale@2X #285
Light CC BY-SA 3.0More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Escheresque Dark@2X #1065
Dark CC BY-SA 3.0A comeback for you: the popular Escheresque, now in black.
Source Patten
Type@2X #277
Dark CC BY-SA 3.0The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo
Texturetastic Gray #615
Paper CC BY-SA 3.0This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
Fabric pattern #2402
Fabric CC 0Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Curved Diamond Pattern 6 No Background #545
Dark CC 0Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
Gnarly bark #2582
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Scribble Light #739
Paper CC BY-SA 3.0A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
Decorative divider 243 #2082
Dark CC 0From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
P2 #1107
Light CC BY-SA 3.0A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
Background pattern 223 (colour 6) #2348
Yellow CC 0Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Background pattern 215 (colour 4) #2368
Green CC 0A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Pinstriped Suit #665
Dark CC BY-SA 3.0Just like your old suit, all striped and smooth.
Source Alex Berkowitz
White Paperboard #374
Fabric CC BY-SA 3.0Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Swirl@2X #948
Light CC BY-SA 3.0The name tells you it has curves. Oh yes, it does!
Source Peter Chon
"Black Metal Grid", Seamless Background Pattern #1080
Metal CC BY-SA 3.0A free seamless background pattern for use on websites.
Source V. Hartikainen
Stardust #1209
Dark CC BY-SA 3.0Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
Lego background #2428
Colorful CC 0Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
Noisy Grid #959
Gray CC BY-SA 3.0This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile