A colourless Geany colour scheme.

none.conf

[theme_info]
name=No Theme
description=A colour theme with no language highlighting.
version=0.01
author=
url=

[named_styles]

default=0x000000;0xffffff;false;false
error=0xffffff;0xff0000

# Editor styles
#-------------------------------------------------------------------------------

selection=0x000000;0xc0c0c0;false;true
current_line=0x000000;0xf0f0f0;true
brace_good=0x0000ff;0xFFFFFF;true;false
brace_bad=0xff0000;0xFFFFFF;true;false
margin_line_number=0x000000;0xd0d0d0
margin_folding=0x000000;0xdfdfdf
fold_symbol_highlight=0xffffff
indent_guide=0xc0c0c0
caret=0x000000;0x000000;false
marker_line=0x000000;0xffff00
marker_search=0x000000;0x0000f0
marker_mark=0x000000;0xb8f4b8
call_tips=0xc0c0c0;0xffffff;false;false
white_space=0xc0c0c0;0xffffff;true;false

# Programming languages
#-------------------------------------------------------------------------------

#~ comment=0x808080
#~ comment_doc=0x404000
#~ comment_line=comment
#~ comment_line_doc=comment_doc
#~ comment_doc_keyword=comment_doc,bold
#~ comment_doc_keyword_error=comment_doc,italic

#~ number=0x400080
#~ number_1=number
#~ number_2=number_1

#~ type=0x2E8B57;;true
#~ class=type
#~ function=0x000080
#~ parameter=function

#~ keyword=0x003030;;true
#~ keyword_1=keyword
#~ keyword_2=0x9f0200;;true
#~ keyword_3=keyword_1
#~ keyword_4=keyword_1

#~ identifier=default
#~ identifier_1=identifier
#~ identifier_2=identifier_1
#~ identifier_3=identifier_1
#~ identifier_4=identifier_1

#~ string=0x008000
#~ string_1=string
#~ string_2=string_1
#~ string_3=default
#~ string_4=default
#~ string_eol=0x000000;0xe0c0e0
#~ character=string_1
#~ backticks=string_2
#~ here_doc=string_2

#~ label=default,bold
#~ preprocessor=0x808000
#~ regex=number_1
#~ operator=0x300080
#~ decorator=string_1,bold
#~ other=0x404080

# Markup-type languages
#-------------------------------------------------------------------------------

#~ tag=type
#~ tag_unknown=tag,bold
#~ tag_end=tag,bold
#~ attribute=keyword_1
#~ attribute_unknown=attribute,bold
#~ value=string_1
#~ entity=default

# Diff
#-------------------------------------------------------------------------------

#~ line_added=0x008B8B
#~ line_removed=0x6A5ACD
#~ line_changed=preprocessor

thank you for this you are a true hero