https://pixabay.com/de/old-timer-auto-kuba-gelb-873129/
Split Toning / Hue Saturation
Curves, Vignette and Noise
image processing, traitement de l’image, El procesamiento de imágenes, pengolahan citra, معالجة الصور, 影像處理, इमेज प्रोसेसिंग, обработка изображений, Bildbearbeitung
GNU Image Manipulation Program – GIMP
Download Gimp 2.8 or Gimp 2.9 – Windows, Mac OS – Partha’s Place
http://www.partha.com/
Download Gimp 2.9 – Ubuntu ppa:
https://launchpad.net/~otto-kesselgulasch/+archive/ubuntu/gimp-edge
Compiling GIMP 2.9
http://crunchbang.org/forums/viewtopic.php?id=25716
Color Scheme:
http://paletton.com/#uid=1000u0kllllaFw0g0qFqFg0w0aF
und
https://color.adobe.com/de/create/color-wheel/