Geany dark theme to math with Materia Dark gtk theme. Usage: put this file in /usr/share/geany/colorscheme/ or ~/.config/geany/colorscheme/. If you find any visual bug, please tell in the comment section.

geany-materia-dark.conf

[theme_info]
name=Materia Dark
description=Dark Geany theme to match with Materia Dark gtk theme
version=0.01
author=Ndgnuh
url=

[named_styles]

default=0xFFFFFF;0x383838;false;false
error=0xffffff;0xF44336

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

selection=0x000000;0x606060;false;true
current_line=0xFFFFFF;0x272727;true
brace_good=0x4CAF50;0x161616;true;false
brace_bad=0xF44336;0x161616;true;false
margin_line_number=0xffffff;0x272727
margin_folding=0x4CAF50;0x383838
fold_symbol_highlight=0x383838
indent_guide=0x929292
caret=0xFFFFFF;0xFFFFFF;false
marker_line=0xFFFFFF;0x82b1ff
marker_search=0xFFFFFF;0x82b1ff
marker_mark=0x000000;0xb8f4b8
call_tips=0xc0c0c0;0xffffff;false;false
white_space=0xc0c0c0;0xffffff;true;false

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

comment=0x929292
comment_doc=0x929292
comment_line=comment
comment_line_doc=comment_doc
comment_doc_keyword=comment_doc,bold
comment_doc_keyword_error=comment_doc,italic

number=0xe57064
number_1=number
number_2=number_1

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

keyword=0x82b1ff;;true
keyword_1=keyword
keyword_2=keyword
keyword_3=keyword
keyword_4=keyword

identifier=default
identifier_1=identifier
identifier_2=identifier_1
identifier_3=identifier_1
identifier_4=identifier_1

string=0xC3E88D
string_1=string
string_2=string
string_3=string
string_4=string
string_eol=0xD32f2f
character=string_1
backticks=string_2
here_doc=string_2

label=default,bold
preprocessor=0x1DE9B6
regex=number_1
operator=0xFFFFFF
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