Texgen.js

var
 texture 
=
 new
 TG.Texture
( 
256
, 
256
 )
      .
add
( 
new
 TG.XOR
().tint( 
1
, 
0.5
, 
0.7
 ) )
      .
add
( 
new
 TG.SinX
().frequency( 
0.004
 ).tint( 
0.5
, 
0
, 
0
 ) )
      .mul( 
new
 TG.SinY
().frequency( 
0.004
 ).tint( 
0.5
, 
0
, 
0
 ) )
      .
add
( 
new
 TG.SinX
().frequency( 
0.0065
 ).tint( 
0.1
, 
0.5
, 
0.2
 ) )
      .
add
( 
new
 TG.SinY
().frequency( 
0.0065
 ).tint( 
0.5
, 
0.5
, 
0.5
 ) )
      .
add
( 
new
 TG.Noise
().tint( 
0.1
, 
0.1
, 
0.2
 ) )
      .toCanvas();

document
.
body
.
appendChild
( texture );