1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89… The Fibonacci number sequence, commonly associated with the gold ratio. The golden ratio, the golden mean, or phi (thigh, not pie!) is a ratio of 1:1.61803399. This number is believed to be the “blueprint of life” and it can be found in a huge variety of formats such as shells, flowers, ancient Greek buildings to more modern portrayals such as the power outlet that your computer may be plugged into. This ratio is believed to be the way of ranking items by their aesthetics, which subconsciously appeals to humans.
What does this have to do with interior design you ask? Well, look at the golden ratio in action in the photo to the left. What do you see? A series of rectangles and a spiral, yes, but the spiral is connecting all of the rectangles within the golden rectangle (A construction of the Fibonacci numbers) The 60:30:10 rule is fundamental, but not imperative, of interior design that can be applied to whole range of different items within a room. This could be applied to the colours shown; having a dominant colour present that will be present throughout the room allows for half being a secondary colour that pairs well with the original colour. These two will be bettered with a final accent colour that is just as important as the previous two. This rule is best exemplified by a suit:
Here both examples are dominated by black and blue. These colours make the “60” in the rule and are accompanied by a white shirt that represents the “30”. The tie here acts as the “10”, bringing the suit together and completing the 60:30:10 rule.
In an interior design setting, the following photo shows the rule in full effect:
Much like the suit example, this room has the pale green dominating accompanied with the cream furniture and curtains, with a small placing of black to maximise visual appeal. The wall art is dominated by the colour purple, which acts as a further step down in the sequence. The effect given by these two examples are not just a coincidence. These are shown in the golden rectangle as it progressively becomes a smaller spiral, whereas the rule progressively becomes smaller.
This rule is not restricted to colour, with it also being found present in the amount of furniture being recommended to be present in a room. Around 60% of a floor surface is suggested to contain a form of furniture due to being able to fill out a room without it looking full and reducing the ability to navigate the room. Interior design has a mixture of art and mathematics, both needs to be applied with consideration when taking on interior design.
A great way to design a room can be stemmed back from golden ratio, which not only designs nature, but also your surroundings, including your room. If you feel your room looks “off”, I suggest going back the basics in locating the issue so try and see if your room fits the golden ratio in all forms. Don’t feel like you have to strictly conform to this rule with everything, but see it as a guideline rather than rule that mustn’t be broken. After all, designing an interior is a form of art too many restrictions don’t make for good artwork.