↓をマクロで実行すればいい。Public Sub colorReset2()ActiveWorkbook.Colors(1) = 0ActiveWorkbook.Colors(2) = 16777215ActiveWorkbook.Colors(3) = 255ActiveWorkbook.Colors(4) = 65280ActiveWorkbook.Colors(5) = 16711680ActiveWorkbook.Colors(6) = 65535ActiveWorkbook.Colors(7) = 16711935ActiveWorkbook.Colors(8) = 16776960ActiveWorkbook.Colors(9) = 128ActiveWorkbook.Colors(10) = 32768ActiveWorkbook.Colors(11) = 8388608ActiveWorkbook.Colors(12) = 32896ActiveWorkbook.Colors(13) = 8388736ActiveWorkbook.Colors(14) = 8421376ActiveWorkbook.Colors(15) = 12632256ActiveWorkbook.Colors(16) = 8421504ActiveWorkbook.Colors(17) = 16751001ActiveWorkbook.Colors(18) = 6697881ActiveWorkbook.Colors(19) = 13434879ActiveWorkbook.Colors(20) = 16777164ActiveWorkbook.Colors(21) = 6684774ActiveWorkbook.Colors(22) = 8421631ActiveWorkbook.Colors(23) = 13395456ActiveWorkbook.Colors(24) = 16764108ActiveWorkbook.Colors(25) = 8388608ActiveWorkbook.Colors(26) = 16711935ActiveWorkbook.Colors(27) = 65535ActiveWorkbook.Colors(28) = 16776960ActiveWorkbook.Colors(29) = 8388736ActiveWorkbook.Colors(30) = 128ActiveWorkbook.Colors(31) = 8421376ActiveWorkbook.Colors(32) = 16711680ActiveWorkbook.Colors(33) = 16763904ActiveWorkbook.Colors(34) = 16777164ActiveWorkbook.Colors(35) = 13434828ActiveWorkbook.Colors(36) = 10092543ActiveWorkbook.Colors(37) = 16764057ActiveWorkbook.Colors(38) = 13408767ActiveWorkbook.Colors(39) = 16751052ActiveWorkbook.Colors(40) = 10079487ActiveWorkbook.Colors(41) = 16737843ActiveWorkbook.Colors(42) = 13421619ActiveWorkbook.Colors(43) = 52377ActiveWorkbook.Colors(44) = 52479ActiveWorkbook.Colors(45) = 39423ActiveWorkbook.Colors(46) = 26367ActiveWorkbook.Colors(47) = 10053222ActiveWorkbook.Colors(48) = 9868950ActiveWorkbook.Colors(49) = 6697728ActiveWorkbook.Colors(50) = 6723891ActiveWorkbook.Colors(51) = 13056ActiveWorkbook.Colors(52) = 13107ActiveWorkbook.Colors(53) = 13209ActiveWorkbook.Colors(54) = 6697881ActiveWorkbook.Colors(55) = 10040115ActiveWorkbook.Colors(56) = 3355443End Sub

Excelでガントチャートを書きたい時に便利そうなテンプレート。これは便利だな！