diff --git a/types/color.go b/types/color.go
index 482c98efe..63ccd71d6 100644
--- a/types/color.go
+++ b/types/color.go
@@ -1,17 +1,27 @@
 package types
 
-import "github.com/adshao/go-binance"
-
 const Green = "#228B22"
 const Red = "#800000"
 
-func SideToColorName(side binance.SideType) string {
-	if side == binance.SideTypeBuy {
+// SideType define side type of order
+type SideType string
+
+const (
+	SideTypeBuy = SideType("BUY")
+	SideTypeSell = SideType("SELL")
+)
+
+func (side SideType) Color() string {
+	if side == SideTypeBuy {
 		return Green
 	}
-	if side == binance.SideTypeSell {
+	if side == SideTypeSell {
 		return Red
 	}
 
 	return "#f0f0f0"
 }
+
+func SideToColorName(side SideType) string {
+	return side.Color()
+}
diff --git a/types/order.go b/types/order.go
index 8e050a42b..81e6e0153 100644
--- a/types/order.go
+++ b/types/order.go
@@ -27,7 +27,7 @@ func (o *Order) SlackAttachment() slack.Attachment {
 	}
 
 	return slack.Attachment{
-		Color: SideToColorName(o.Side),
+		Color: SideToColorName(SideType(o.Side)),
 		Title: string(o.Type) + " Order " + string(o.Side),
 		// Text:   "",
 		Fields: fields,