1. 褐色   brown   red   violet   gray, grey   Hint Half-n-half Clue   2. 灰色，灰色   purple   red   gray, grey   orange   Half-n-half Clue   3. 蓝色   white   blue   gray, grey   black   Half-n-half Clue   4. 绿色   red   gray, grey   violet   green   Half-n-half Clue   5. 橙色   yellow   orange   blue   gray, grey   Half-n-half Clue   6. 桃红色   pink   yellow   violet   purple   Half-n-half Clue   7. 红色   purple   orange   pink   red   Half-n-half Clue