Blue is calming. It can be strong and steadfast or light and friendly. Almost everyone likes some shade of the colour blue. A deep royal blue or azure conveys richness and perhaps even a touch of superiority. Navy blue is almost black and is a bit warmer than lighter blues. Combine a light and dark blue to convey trust and truthfulness — banker's colours. Although blue is a year-round colour, pastel blues, especially along with pinks and pale yellows suggest springtime while deep blue is a colder weather colour. Create a conservative but sophisticated look with subtle contrast by combining light and dark shades of blue. Mix the colour of blue with green for a natural, watery palette. Add gray for understated elegance. Sky blue and robin's egg blue, especially when combined with neutral light brown, tans, or beige are environmentally friendly colour combinations. Throw in a dash of blue to cool down a hot red or orange scheme. Grab attention with the contrast of blue and yellow. Dark blue with white is fresh, crisp, and nautical.