Prismatic Abstract Line Art Pattern Background
Source GDJ
U.S.-based National Fire Protection Association standard fire diamond for flagging risks posed by hazardous materials. The red diamond has a number 0-4 depending on flammability. The blue diamond has a number 0-4 depending on health hazard. The yellow has a number 0-4 depending on reactivity. the white square has a special notice, e.g OX for oxidizer.
Source Firkin
Same as the black version, but now in shades of gray. Very subtle and fine grained.
Source Atle Mo
Kaleidoscope Prismatic Abstract No Background
Source GDJ
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
The name is totally random, but hey, it sounds good.
Source Atle Mo
A dark brown fabric-like background texture with seamless pattern of winding stripes.
Source V. Hartikainen
A seamless pattern of leopard skin. It should look nice as a background element on web pages.
Source V. Hartikainen
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
Prismatic Geometric Pattern Background
Source GDJ
An abstract web texture of a polished blue stone (or does it look more like ice).
Source V. Hartikainen
A seamless web texture of "green stone".
Source V. Hartikainen
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
Embossed lines and squares with subtle highlights.
Source Alex Parker
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
The image depicts a seamless pattern made using a bird's face.
Source Yamachem
Colourful background achieved with gradient fills.
Source Firkin
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
This is sort of fresh, but still feels a bit old school.
Source Martuchox
The image a seamless pattern of a wire-mesh fence.I want you to use this pattern as a lower layer.
Source Yamachem
A seamless pattern based on a tile that can be achieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin