Prismatic Groovy Concentric Background 4
Source GDJ
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
The image depicts an edo-era pattern called "same-komon" or "鮫小紋"which looks like a shark skin.The "same" in Japanese means shark in English.
Source Yamachem
Same as the black version, but now in shades of gray. Very subtle and fine grained.
Source Atle Mo
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks. https://cloaks.deviantart.com
Source Atle Mo
Prismatic Hexagonalist Pattern No Background
Source GDJ
Same classic 45-degree pattern, dark version.
Source Luke McDonald
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
Seamless Prismatic Geometric Pattern With Background
Source GDJ
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Prismatic Polka Dots Mark II No Background
Source GDJ
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
Psychedelic Geometric Background No Black
Source GDJ
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
A comeback for you: the popular Escheresque, now in black.
Source Patten