A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Zero CC tileable moss or lichen covered stone texture, edited from pixabay. CC0
Source Sojan Janso
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
This is the remix of "Tileable Wave Pattern 2" uploaded by "Arvin61r58".Thanks.I added a wire-mesh fence seamless pattern as a lower layer.
Source Yamachem
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
Background Wall, Art Abstract, white Well & CC0 texture.
Source Ractapopulous
A green background pattern with warped vertical stripes and a grunge look.
Source V. Hartikainen
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
The image is a remix of "edo pattern-samekomon".I changed the color of dots from black to white and added BG in light-yellow.
Source Yamachem
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
From a drawing in 'A Life Interest', Mrs Alexander, 1888.
Source Firkin
Prismatic Floral Background No Black
Source GDJ
Feel free to download this "Dark Wood" background texture for your web site. The background tiles seamlessly!
Source V. Hartikainen
Fix side and a seamless pattern formed from circles.
Source SliverKnight
Seamless Background For Websites. It has a texture similar to cork-board.
Source V. Hartikainen
Derived from a drawing in 'The Murmur of the Shells', Samuel Cowen, 1879.
Source Firkin
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
Neat little photography icon pattern.
Source Hossam Elbialy
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Submitted in a cream color, but you know how I like it.
Source Devin Holmes