diff --git a/cmd/command.go b/cmd/command.go
index 912a8f3..cacb8b7 100644
--- a/cmd/command.go
+++ b/cmd/command.go
@@ -36,12 +36,20 @@ var (
 	defaultFast        bool    = false
 	defaultWhiteKelvin string  = ""
 	defaultWhiteName   string  = ""
+	defaultHue         string  = ""
+	defaultSaturation  string  = ""
+	defaultRGB         string  = ""
 )
 
 func (f Flags) String(name string) string {
 	return f.FlagSet.Lookup(name).Value.String()
 }
 
+func (f Flags) Float32(name string) float32 {
+	val, _ := strconv.ParseFloat(f.String(name), 32)
+	return float32(val)
+}
+
 func (f Flags) Float64(name string) float64 {
 	val, _ := strconv.ParseFloat(f.String(name), 64)
 	return val