Please note that during the Corona Virus restrictions we are not at the street address listed on this website. We will pick up our emails regularly but do not work on the weekend. Pease contact us if you need to send us anything by mail and we will give you our interim address.

We welcome enquiries if you need more information about our courses. Please include some details of where you live, your background and interests so we can best advise you on the right study programme for you. Please note that we are closed on weekends.

Holistic Design & Colour Institute HDI [email protected]
Iris International School of Colour Therapy [email protected]


If you want to know more about the Holistic Design Institute or need a holistic designer or colour consultant, our representatives across the world can help you.

HDI Canada (Eastern)

BETTE STOCK, Harmony Natural Design - Living Well by Design: Toronto.

e: [email protected]

HDI Norway

STINE MASSEBOEUF Kongsberg, Viken. Norway.

e:[email protected]

HDI Australia

coming soon.