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Portrait Study: Watercolour vs Acrylic with Derric Van Rensburg

Join artist Derric Van Rensburg for this 45 minute Arty Class webinar. Filmed live from South Africa on 20 July 2021.


**See Reference photo and recommended materials below**

As a celebrated acrylic artist, most people don't know that Derric started out as a successful watercolourist. In this prelude to his full, 2-3 hour workshop webinar, Derric will focus on painting two portraits - one in acrylic, and one in watercolour.

Our SKA host John suggested this idea to Derric, and it will be quite a challenge in a short space of time. The hope is that it could be an amazing revelation for some of you. Whether it's a disaster - or a huge success - it is guaranteed to be lots of fun!

Preparation: no preparation is needed; however, you are welcome to sketch out the face (side by side or on two separate sheets of paper) in pencil beforehand.

Video: (what you can expect)



Materials Top-Up

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Recommended materials

• PAPER: Watercolour paper (> 360 gms). Recommendation is either 1 rectangular piece (≥60x40 cm), or two pieces (≥A4size). ( Derric will be using a single sheet of Saunders Waterford Watercolour Paper 638gsm Hot Pressed 56x76cm)

• PAINTS: Any acrylic and watercolours paints with the approximate colours mentioned below.

South African acrylic brands include Zellen or Schub. International brands include Lukas or Daler Rowney. The table below lists the paint pigments needed (examples given in two different brands).

Acrylic Paint Brand

Acrylic Colours

Zellen [local ZA product]

French Ultramarine blue

Cobalt Blue

Naphthalene red (Naphthol)

Arylamide yellow

Titanium white


Lukas Cryl Studio [German]

Ultramarine blue

Cobalt blue (hue)

Cadmium red light/deep (hue)

Cadmium yellow (hue)

Titanium white

International watercolour brands include Cotmanr Winsor & Newton or Daniel Smith.

Watercolour Paint Brand


Daniel Smith

Perylene Scarlet / Cadmium Red

Hansa Yellow / Cadmium Yellow

Ultramarine Blue

Cobalt Blue

• BRUSHES: Flat nylon brushes (e.g. 1/4, 1/2, 1, 1.5, 2 inch), Rigger brush (no. 1 if possible), no. 10 or 12 round brush (brush is round but has a point).

You can use the same set of brushes for both watercolour and acrylic (clean in between). Otherwise, you can have 2 sets of brushes.

• OTHER: palette sheet / glass / small white board (to mix colours on), an old towel (to dry and clean brushes), a small container with warm water (to rinse watercolour brushes)


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