Real snow that tiles, not easy. This is not perfect, but an attempt.
Source Atle Mo
Gold Triangular Seamless Pattern No Background
Source GDJ
A seamless textured paper for backgrounds. Colored in pale orange hues.
Source V. Hartikainen
Prismatic Hexagonalist Pattern No Background
Source GDJ
Colorful Floral Background No Black
Source GDJ
Colour version of the original pattern.
Source Firkin
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
This is the remix of "Background pattern 115" uploaded by "Firkin".Thanks.
Source Yamachem
Same as Silver Scales, but in black. Turn your site into a dragon with this great scale pattern.
Source Alex Parker
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
Seamless Prismatic Geometric Pattern With Background
Source GDJ
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Paper model of a tetrahedron. Modelo de papel de um tetraedro.
Source laobc