Nefelio theme

Nefelio is a vibrant, high contrast colour scheme inspired by nebulae. 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

282326 383336 686356 82a3a6

Light base

eaeff2 dadfe2 7a8fa2 5a6662

Accent values

ba3d5a ca6f5f 1cb57a 3f8eda
c34d95 ca9e5d 34b7bd 956cda

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

Vim themes

All Prot16 themes (including Nefelio) 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 nefelio_light

" or the dark variant
colorscheme nefelio_dark

Atom packages

Nefelio light available at

Atom GitHub Or run the command apm install nefelio-syntax

Nefelio dark available at

Atom GitHub Or run the command apm install nefelio-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 Nefelio, the following terminal emulators are supported thus far:

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

282326 ba3d5a 1cb57a ca9e5d 3f8eda c34d95 34b7bd dadfe2 383336 ca6f5f 5a6662 686356 7a8fa2 956cda 82a3a6 eaeff2

Terminal Base values (light theme)
Background: eaeff2
Foreground: 5a6662
Cursor: 5a6662
Bold colour: 5a6662

Terminal Base values (dark theme)
Background: 282326
Foreground: 82a3a6
Cursor: 82a3a6
Bold colour: 82a3a6

Palette specs

# Palette variables and values

dbg=282326 # Dark background
dhl=383336 # Dark background highlight
dt2=686356 # Dark background secondary text
dt1=82a3a6 # Dark background primary text

lbg=eaeff2 # Light background
lhl=dadfe2 # Light background highlight
lt2=7a8fa2 # Light background secondary text
lt1=5a6662 # Light background primary text

red=ba3d5a # Red variant
ora=ca6f5f # Orange variant
yel=ca9e5d # Yellow variant
gre=1cb57a # Green variant

cya=34b7bd # Cyan variant
blu=3f8eda # Blue variant
vio=956cda # Violet variant
mag=c34d95 # 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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