碧海蓝天白婚纱万里晴空黑礼服
[bì hăi lán tiān bái hūn shā wàn lĭ qíng kōng hēi lĭ fú]
This refers to an idealized wedding scene with 'a blue sea and sky, a bride in white and groom in black' symbolizing the perfection and purity of two souls getting together on an absolutely beautiful day. The contrast colors highlight the harmony between nature and the couple.