Literature Reference: 薰梅染柳将赠君。—— 《瑶华乐》 Plum blossoms are scented, and willows are dyed, to be presented to you. Source from 'Yaohua Le'.
染: Dye. To color. To keep the heart pure, signifying complete immunity from bad habits and corrupting influences. Also used to describe something extremely innocent and pristine.
柳: The weeping willow, a tree of poetic grace, symbolizes the serendipitous arrival of spring, its verdant leaves and budding branches heralding a precious and auspicious fortune.
Meaning: Dyeing willows symbolizes the vibrant life and hope brought by spring.