Green is the color between blue and yellow on the visible spectrum. It is evoked by light which has a dominant wavelength of roughly 495–570 nm. Where blue, a primary color, has a lower dominant wavelength of approx. 450–495 nm
Green is the color of balance, harmony and growth. … From a meaning of colors perspective, green is also the color of growth, the color of spring, of renewal and rebirth. It renews and restores depleted energy. It is the sanctuary away from the stresses of modern living, restoring us back to a sense of well being.
Blue also represents meanings of depth, trust, loyalty, sincerity, wisdom, confidence, stability, faith, heaven, and intelligence. … Blue is used to symbolize piety and sincerity in heraldry. The color blue in many cultures is significant in religious beliefs, brings peace, or is believed to keep the bad spirits away.