Brilliant #753
Light CC BY-SA 3.0This is so subtle you need to bring your magnifier!
Source Carlos Valdez
More Textures
Congruent Pentagon Outline #1308
Dark CC BY-SA 3.0By popular request, an outline version of the pentagon pattern.
Source Atle Mo
Circles pattern #1917
Yellow CC 0Fix side and a seamless pattern formed from circles.
Source SliverKnight
"Dark Brick Wall", Background Pattern #1024
Stone CC BY-SA 3.0Like the name suggests, this background image consists of a pattern of dark bricks. It may be an option for you, if you are looking for something that looks like a brick wall for use as a background on web pages. It's not a masterpiece, but looks pretty nice when is tiled.
Source V. Hartikainen
Blu Stripes@2X #618
Fabric CC BY-SA 3.0Very simple, very blu(e). Subtle and nice.
Source Seb Jachec
Stitched Wool@2X #844
Light CC BY-SA 3.0I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
Green Background With Leaves #1331
Green CC BY-SA 3.0It looks very nice I think.
Source V. Hartikainen
Background pattern 197 (variant 2) #2512
Green CC 0A version without colours blended together to give a different look.
Source Firkin
plant pattern 01 #2507
Unknow CC 0The image is a seamless pattern which is derived from a vine .Consequently, the vine got like dots via vectorization.The original vine is here:jp.pinterest.com/pin/500744052301410188/
Source Yamachem
Sports car pattern #2442
Red CC 0A seamless pattern formed from a sports car on clker.com. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Background pattern blue #1940
Blue CC 0Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
Prismatic Abstract Geometric Background 3 #270
Noise CC BY-SA 3.0Prismatic Abstract Geometric Background 3
Source GDJ