Database
[{green:"A-4_ABC",yellow:"C-12_456",red:"A-431_ZXCVQ",yellow_green:"C-12_999",brown:"B-3_R",gray:"EN-44_195"}]
Query
db.collection.aggregate([{$addFields:{data:{$arrayToObject:{$map:{input:{$objectToArray:"$$ROOT"},in:{k:"$$this.k",v:{$arrayElemAt:[{$split:[{$toString:"$$this.v"},"_"]},0]}}}}}}},{$match:{"data.green":"A-4","data.red":"A-431","data.gray":"EN-44","data.yellow_green":"C-12"}},{$unset:"data"}])