A mix of cushions
On a fairly classic sofa, you can have fun mixing the colors of the cushions. For example, you can choose two model patterns in the same color as the sofa and enhance the overall with a brighter color like blue. The abundance pattern creates the character of the sofa.
Decorative pillows
Your cushions can also be a nod to the decorative color of your sofa and chairs. Thus, in this white and red sofa armchair, he has relied on cushions that have these two colors to be installed.
Stylish cushions
If your home is fairly neutral, you can choose cushions depending on the style you want to give the room. Accessorize accordingly to create an elegant ethnic look, for example. Simply opt for patterned cushions that will match others in white, orange and black.
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Source - Ikea