Symbiosis theme

Symbiosis is a bold, medium-to-high contrast theme loosely inspired by the Metroid video game series. It has been created as a tribute to Metroid’s 30th anniversary. It comes in light and dark variants, while using a single 16-colour palette.

Packages or ports of it are available for Vim and Atom, as well as the Xfce4, RXVT-Unicode (urxvt), and XTERM terminal emulators.


Dark base

111D1C 212D2C 58623b 79988b

Light base

FCFAF9 ECEAE9 828cad 3c513d

Accent values

B95846 A87226 669824 3D8CAD
BB7EAA A89641 28A597 9166AB

Base values from left to right: background, background highlight, secondary text, primary text.

Vim themes

All Prot16 themes (including Symbiosis) are available as a plugin for Vim. To install them, use your favourite plugin manager. With vim-plug:

Plug 'protesilaos/prot16-vim'

Then specify your choice in .vimrc. Use either the light or dark variant:

" the light variant
colorscheme symbiosis_light

" or the dark variant
colorscheme symbiosis_dark

Atom packages

Symbiosis light available at

Atom GitHub Or run the command apm install symbiosis-syntax

Symbiosis dark available at

Atom GitHub Or run the command apm install symbiosis-dark-syntax

Atom and Vim colour mapping




Primary: Class names, variables, functions, etc.
Secondary: Measurement units, strings, support functions, etc.
Tertiary: Cursor, support classes, etc.

Terminal emulators

For Symbiosis, the following terminal emulators are supported thus far:

Below are the specs to copy-paste into a terminal that is not supported yet.

111D1C B95846 669824 A89641 3D8CAD BB7EAA 28A597 ECEAE9 212D2C A87226 3c513d 58623b 828cad 9166AB 79988b FCFAF9

Terminal Base values (light theme)
Background: FCFAF9
Foreground: 3c513d
Cursor: 3c513d
Bold colour: 3c513d

Terminal Base values (dark theme)
Background: 111D1C
Foreground: 79988b
Cursor: 79988b
Bold colour: 79988b

Palette specs

# Palette variables and values

dbg=111D1C # Dark background
dhl=212D2C # Dark background highlight
dt2=58623b # Dark background secondary text
dt1=79988b # Dark background primary text

lbg=FCFAF9 # Light background
lhl=ECEAE9 # Light background highlight
lt2=828cad # Light background secondary text
lt1=3c513d # Light background primary text

red=B95846 # Red variant
ora=A87226 # Orange variant
yel=A89641 # Yellow variant
gre=669824 # Green variant

cya=28A597 # Cyan variant
blu=3D8CAD # Blue variant
vio=9166AB # Violet variant
mag=BB7EAA # Magenta variant
# Terminal colour codes
# corresponding to the palette
# followed by termcol description

dbg=0      # black
red=1      # red
gre=2      # green
yel=3      # yellow
blu=4      # blue
mag=5      # magenta
cya=6      # cyan
lhl=7      # white
dhl=8      # brblack
ora=9      # brred
lt1=10     # brgreen
dt2=11     # bryellow
lt2=12     # brblue
vio=13     # brmagenta
dt1=14     # brcyan
lbg=15     # brwhite

Related projects

Note that this theme is part of the wider Prot16 collection. The Prot16 git repo includes all files (except the Atom packages) for each and every item.

Wish to contribute? Work can be done to port the themes to other applications. The program that handles the process is the Prot16 Generator (a bash script to build themes on demand or to work with other scripts in automating the process).

Application-specific Prot16 repositories:

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Protesilaos Stavrou

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