abstract
abstract background
art
background
blob
blood
blot
color
darkness
decoration
design
dirty
drawing
drop
droplet
effect
element
gloomy
gouache
grey
grunge
ink drop
ink splash
ink splatter
liquid
mess
mottled
old
paint
paintbrush
paper
pattern
red
shape
silhouette
sketch
spilling
splash
splashing
splattered
spot
spotted
spray
stain
stamp
texture
vignette
vintage
violence