展厅装修采用了什么颜色？
展厅色彩以黑白灰为主，局部点缀暖色。[{'character': '展', 'pinyin': 'zhan3', 'highest pitch': 9.33, 'lowest pitch': 7.25, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '厅', 'pinyin': 'ting1', 'highest pitch': 10.97, 'lowest pitch': 7.36, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '色', 'pinyin': 'se4', 'highest pitch': 11.32, 'lowest pitch': 8.62, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '彩', 'pinyin': 'cai3', 'highest pitch': 5.7, 'lowest pitch': 5.14, 'duration': 0.33, 'prosody hierarchy': '#2'}, {'character': '以', 'pinyin': 'i3', 'highest pitch': 6.31, 'lowest pitch': 5.32, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '黑', 'pinyin': 'hei1', 'highest pitch': 11.2, 'lowest pitch': 5.77, 'duration': 0.3, 'prosody hierarchy': 'null'}, {'character': '白', 'pinyin': 'bai2', 'highest pitch': 7.84, 'lowest pitch': 6.02, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '灰', 'pinyin': 'huei1', 'highest pitch': 10.49, 'lowest pitch': 7.84, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '为', 'pinyin': 'uei2', 'highest pitch': 9.77, 'lowest pitch': 5.81, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '主', 'pinyin': 'zhu3', 'highest pitch': 12.6, 'lowest pitch': 5.33, 'duration': 0.28, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.21}, {'character': '局', 'pinyin': 'jv2', 'highest pitch': 9.32, 'lowest pitch': 8.14, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '部', 'pinyin': 'bu4', 'highest pitch': 9.96, 'lowest pitch': 8.67, 'duration': 0.18, 'prosody hierarchy': '#2'}, {'character': '点', 'pinyin': 'dian3', 'highest pitch': 8.12, 'lowest pitch': 4.91, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '缀', 'pinyin': 'zhuei4', 'highest pitch': 9.5, 'lowest pitch': 8.64, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '暖', 'pinyin': 'nuan3', 'highest pitch': 8.64, 'lowest pitch': 4.7, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '色', 'pinyin': 'se4', 'highest pitch': 11.32, 'lowest pitch': 6.78, 'duration': 0.31, 'prosody hierarchy': '#4'}]