Colour is one of the most important parts of graphic design, it is one of the formal elements and it can completely change the look of an image. Different colour combinations or monochrome has to be decided upon depending on what the design has to convey.
In graphic design, colour choices are strongly influenced by the demands of the marketplace and popular culture. Graphics requires fresh ideas in exciting and stimulating designs continually and this includes exploring the whole range of colours and combinations. Saying this, colour has broken away from its traditional restrictions; in some parts of graphic design colour may be used for specific practical purposes such as logos or signage.
The phycological effects of colour should be taken into consideration when choosing colour for a design, it has been proven that different colours bring up different emotions. Bright oranges reds and yellows tend to stimulate us, while blues and greens often make us feel more peaceful. Colours can therefore be used to express emotions and even evoke them. We associate the the colours of fire (reds, oranges and yellows) with warmth. This isn't just an abstract notion, physiological research indicates that under red lighting our bodies release more adrenaline and our blood pressure rises. We associate blues and greens with the cooling qualities of water and trees, physiological research shows that green or blue lights will slow our heartbeats, decrease our temperature and relax our muscles. Dark and light tones can also have a big impact on how we feel. The somber mysterious hues of paintings in Rothko’s chapel is said to make people become very quiet and contemplative.
Balance and proportion of colour also changes the impact of a design, emphasis on a certain aspect of the design can bring this to the viewers attention. This can be a very useful technique in advertising, the viewers attention must initially be seized and then guided in such a way that they get all the information about the product. in contrast, unity of colours can have an impact by blending the design, neutral tones or a similar colour combination can be more refined and pleasing on the eye. certain colour groupings are thought to be far more aesthetically appropriate than others.
Lavish colours such as purple, black, gold and silver can be used to show a higher end design or product. Gold and silver have long been associated with wealth and higher class, often branding and advertisements use these colours to show the luxury of the product. Primary colours such as red and yellow stimulate and draw attention and are often used in cheap quick purchases.