diff --git a/internal/engine/command/command.go b/internal/engine/command/command.go
index 96144e2..3776d06 100644
--- a/internal/engine/command/command.go
+++ b/internal/engine/command/command.go
@@ -5,6 +5,7 @@ import (
 	"slices"
 
 	"github.com/pagu-project/Pagu/internal/entity"
+	"github.com/pagu-project/Pagu/pkg/color"
 )
 
 var (
@@ -40,7 +41,7 @@ type HandlerFunc func(caller *entity.User, cmd *Command, args map[string]string)
 
 type Command struct {
 	Emoji       string
-	Color       string
+	Color       color.ColorCode
 	Name        string
 	Help        string
 	Args        []Args // should be nil for commands.
@@ -52,7 +53,7 @@ type Command struct {
 }
 
 type CommandResult struct {
-	Color      string
+	Color      color.ColorCode
 	Title      string
 	Error      string
 	Message    string
diff --git a/internal/platforms/discord/discord.go b/internal/platforms/discord/discord.go
index b875c01..1713072 100644
--- a/internal/platforms/discord/discord.go
+++ b/internal/platforms/discord/discord.go
@@ -12,14 +12,15 @@ import (
 	"github.com/pagu-project/Pagu/internal/engine"
 	"github.com/pagu-project/Pagu/internal/engine/command"
 	"github.com/pagu-project/Pagu/internal/entity"
+	"github.com/pagu-project/Pagu/pkg/color"
 	"github.com/pagu-project/Pagu/pkg/log"
 	"github.com/pagu-project/Pagu/pkg/utils"
 )
 
 type Bot struct {
+	cfg     *config.DiscordBot
 	Session *discordgo.Session
 	engine  *engine.BotEngine
-	cfg     *config.DiscordBot
 	target  string
 }
 
@@ -220,7 +221,7 @@ func (bot *Bot) respondErrMsg(errStr string, s *discordgo.Session, i *discordgo.
 	errorEmbed := &discordgo.MessageEmbed{
 		Title:       "Error",
 		Description: errStr,
-		Color:       RED,
+		Color:       color.Yellow.ToInt(),
 	}
 	bot.respondEmbed(errorEmbed, s, i)
 }
@@ -231,13 +232,13 @@ func (bot *Bot) respondResultMsg(res command.CommandResult, s *discordgo.Session
 		resEmbed = &discordgo.MessageEmbed{
 			Title:       "Successful",
 			Description: res.Message,
-			Color:       GREEN,
+			Color:       color.Green.ToInt(),
 		}
 	} else {
 		resEmbed = &discordgo.MessageEmbed{
 			Title:       "Failed",
 			Description: res.Message,
-			Color:       YELLOW,
+			Color:       color.Yellow.ToInt(),
 		}
 	}
 
diff --git a/internal/platforms/discord/utils.go b/internal/platforms/discord/utils.go
index 27bd8a0..a5e8e84 100644
--- a/internal/platforms/discord/utils.go
+++ b/internal/platforms/discord/utils.go
@@ -6,13 +6,6 @@ import (
 	"github.com/bwmarrin/discordgo"
 )
 
-const (
-	GREEN  = 0x008000
-	RED    = 0xFF0000
-	YELLOW = 0xFFFF00
-	PACTUS = 0x052D5A
-)
-
 func newStatus(name string, value any) discordgo.UpdateStatusData {
 	return discordgo.UpdateStatusData{
 		Status: "online",
diff --git a/pkg/color/color.go b/pkg/color/color.go
new file mode 100644
index 0000000..e1a821c
--- /dev/null
+++ b/pkg/color/color.go
@@ -0,0 +1,19 @@
+package color
+
+type ColorCode int
+
+const (
+	Green  ColorCode = 0x008000
+	Red    ColorCode = 0xFF0000
+	Yellow ColorCode = 0xFFFF00
+	Black  ColorCode = 0x000000
+	Pactus ColorCode = 0x052D5A
+)
+
+func (ColorCode) String() string {
+	return "todo"
+}
+
+func (c ColorCode) ToInt() int {
+	return int(c)
+}