This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
ZeroCC tileable moss texture, photographed and made by me. CC0
Source Sojan Janso
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
A floral background formed from numerous clones of flower 117.
Source Firkin
Background Wall, Art Abstract, Watercolor Vintage style CC0 texture.
Source Ractapopulous
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
Pattern Background, Texture, Photoshop Structure style CC0 texture.
Source Darkmoon1968
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
Prismatic Abstract Geometric Background 5 No Black
Source GDJ
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
A seamless background colored in pale orange. It has a paper like texture with diagonal grid pattern.
Source V. Hartikainen
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns