DPI - WEEK 7
Nicole Ng Ying Yan 0382412
GCD61204 Digital Photography & Imaging
1.0 LECTURE
WEEK 7: Colour Theory
Colour Theory. The science and art of using colour.
It explains how humans perceive colour; and the messages colors communicate artistically and emotionally.
Figure 1.0 The colour wheels (Week 7, 5/6/25)
- RGB vs CMYK
RGB: Additive colour mixing model
Colour is created by mixing red, green and blue light sources of various intensities.
TVs, screens and projectors use red, green and blue (RGB) as their primary colors.
Figure 1.1 RGB (Week 7, 5/6/25)
CMYK: Subtractive colour mixing model
Colour is created by the subtraction of light.
The CMYK colour system is the colour system used for printing.
Figure 1.2 CMYK (Week 7, 5/6/25)
- Hue, shade, tint, and tone
Hue. The most basic of color terms and denotes an object’s color.
Shade. A hue to which black has been added. For example, red + black = burgundy.
Tint. A hue to which white has been added. For example, red + white = pink.
Tone. A colour to which black and white (or grey) have been added.
Figure 1.3 Hue, shade, tint, and tone (Week 7, 5/6/25)
- Colour harmony
The arrangement of the colours in design in the most attractive and effective way for users’ perception.
- Monochromatic - To use a colour scheme that is based on a single colour, hue, or variations of that hue. It is hard to make a mistake and create the distasteful colour scheme.
- Analogous - 3 colours located right next to each other on the colour wheel.
- Complementary - Colours are opposites on the colour wheel. This scheme is opposite to analogous and monochromatic since it aims to produce high contrast.
- Split-Complementary - Involves the use of three colours. Start with one colour, find its complement and then use the two colours on either side of it.
- Triadic - Colours are evenly spaced around the colour wheel and tend to be very bright and dynamic.
Figure 1.4 Colour harmony (Week 7, 5/6/25)
- The psychology of colour
While perceptions of colour are somewhat subjective, some effects have universal meaning.
Figure 1.5 Psychology of colour (Week 7, 5/6/25)
1. Warm vs Cool
Warm colours often evoke feelings of happiness, optimism and energy. However, yellow, red and orange can also have an attention grabbing effect and signal danger or make you take action (think stop signs, hazard warnings and barrier tape).
Cool colours are usually calming and soothing but can also express sadness. Purple is often used to help spark creativity as it’s a mixture of blue (calm) and red (intense).
Figure 1.6 Warm vs cool colours (Week 7, 5/6/25)
2. Black
Black is often used sparingly – such as for text – but it works quite well as a primary colour element (like for backgrounds). Black adds an air of sophistication and elegance, and also mystery, though with much bolder confidence.
Figure 1.7 Black tone poster (Week 7, 5/6/25)
3. White
As primary, white gives off an impression of clean, virtuous, healthy. White pairs well with just about anything, making it ideal as a secondary colour.
Figure 1.8 White tone poster (Week 7, 5/6/25)
References provided:
2.0 TUTORIAL
In Week 7, we were instructed to start and update our progress for the poster. I started my hand drawn and digital sketch to get a rough idea of how I want my poster to look like.
3.0 PRACTICAL
- Hand drawn sketch
Figure 3.0 Hand drawn sketch (Week 7, 5/6/25)
- Digital sketch
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| Figure 3.1 Digital sketch (Week 7, 6/6/25) |
4.0 REFLECTION
Colour theory is a key aspect in any forms of design as it helps to maintain the visual balance and harmony of the artwork. I'm glad to learn more about colour theory as it is useful when applying adjustments or filters to my poster. As for this week's practical, I have progressed towards the stage of sketching out the overall poster idea and visualising it through a digital sketch. For the upcoming weeks, I will focus on refining it to ensure it embodies the design concept I am going for.
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