This ons is quite old school looking. Retro, even. I like it.
Source Arno Declercq
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
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
Prismatic Floral Background No Black
Source GDJ
Used a cherry by doctormo to make this seamless pattern
Source Firkin
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
A seamless texture of worn out "cardboard".
Source V. Hartikainen
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
Prismatic Groovy Concentric Background 4
Source GDJ
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
ZeroCC tileable wood boards texture, photographed and made by me. CC0
Source Sojan Janso
Zero CC tileable Crackled Cement (streaks) texture, photographed and made by me. CC0
Source Sojan Janso
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Remixed from a drawing in 'A Girl in Ten Thousand', Elizabeth Meade, 1896.
Source Firkin
Zero CC tileable moss or lichen covered stone texture, edited from pixabay. CC0
Source Sojan Janso
Prismatic Abstract Background Design
Source GDJ
Psychedelic Geometric Background No Black
Source GDJ
A bit strange this one, but nice at the same time.
Source Diogo Silva
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin