Blank spaces in watercolour sketches can transform your art by adding calm and depth. Explore creative tips and digital watercolour experiments from Chou-Tac Chung to improve your product design sketching and visual storytelling.
urban sketching watercolour

1. Discovering Watercolours at 4 a.m.

Lately, I found myself awake at 4 a.m., scrolling through Instagram, when I stumbled upon Chanqueen’s vibrant watercolour sketches of Hong Kong.

Chanqueen art immediately caught my eye, especially the way she mixes colours and cleverly leaves portions of the paper untouched.

Those blank surfaces aren’t just empty—they give her scenes room to breathe, adding both visual impact and emotional depth.

2. My Start with Watercolours and Digital Experiments

Inspired by Chanqueen, I’ve started dabbling with watercolours myself—mainly through Photoshop for now. Digital brushes make experimenting easy, but nothing quite replaces how real watercolour soaks into paper with its unexpected patterns.

If you’re trying this in Photoshop, I recommend exploring custom brushes to mimic those textures, and set up separate layer groups for each experimentation.

3. Two Styles: Calm vs. Busy

For my own tests, I tried two approaches:

  • In Layer “A,” I focused on simple outlines and gentle colours, leaving more open space. The effect is calm and understated.
  • In Layer “B,” I layered more contrasted colours, filling in more of the surface. It’s livelier and busier, with less breathing room.
3 steps to add watercolours on this street scene in Taiwan
3 steps to add watercolours on this street scene in Taiwan

4. The Power of Blank Surfaces

What I’ve learned is resisting the urge to fill every inch is key. Leaving blank areas creates a sense of openness and makes the sketch feel alive—just like how Chanqueen does it.

5. What Do You Prefer?

Which style do you prefer, “A” or “B”?
I’m leaning towards the calmness of “A,” but experimenting is half the fun.

Let me know your thoughts!

See you guys!
Cheers,
Chou-Tac


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Chou-Tac

Hello! I'm Chou-Tac, a Product Designer from France.

If the sketching methods I’ve acquired aid me in my life and in my industrial design career, I believe that they can also help you reach your dream goal as a student or professional designer.

Leave a comment in the blog or send me an email at choutac@thedesignsketchbook.com : )

Chou-Tac

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