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If you're experiencing any problems or have any questions please email [email protected]

Whilst we'll do everything to support you, please be aware official office hours are 09:00 – 17:00 (UK time) Monday – Friday.


Hello and welcome! This is the home for all the online courses and materials within the Karen Haller Colour & Design Training World which includes:

  • Advanced Colour & Design Psychology for Industry Professionals (private 1-1 mentoring)
  • Advanced Colour & Design Group Mentoring Programme
  • Introduction to Colour Psychology
  • Colour & Design masterclasses
  • CPD Colour & Design Psychology training
  • Specialist Colour & Design Psychology areas
  • Psychology behind Colour Trends
  • Biophilic Design

And if you’re not currently a member and would like to know more please head over to the colour courses on offer.

Karen x