[FIX] 태그 POST 수정

src/main/java/com/official/memento/tag/controller/TagApiController.java

@@ -39,9 +39,9 @@ public ResponseEntity<SuccessResponse<TagCreateResponse>> createTag(
             @RequestBody final TagCreateRequest request
     ) {
         Tag tag = tagCreateUseCase.create(
-                new TagCreateCommand(
+                TagCreateCommand.createWithHexColor(
                         authorizationUser.memberId(),
-                        request.color(),
+                        request.hexCode(),
                         request.name()
                 )
         );

src/main/java/com/official/memento/tag/controller/dto/TagCreateRequest.java

@@ -7,7 +7,7 @@
 public record TagCreateRequest(
         @Schema(description = "태그 이름")
         String name,
-        @Schema(description = "태그 색상")
-        TagColor color
+        @Schema(description = "태그 색상 헥스코드")
+        String hexCode
 ) {
 }

src/main/java/com/official/memento/tag/domain/enums/TagColor.java

@@ -1,5 +1,8 @@
 package com.official.memento.tag.domain.enums;
 
+import com.official.memento.global.exception.ErrorCode;
+import com.official.memento.global.exception.InvalidRequestBodyException;
+
 public enum TagColor {
 
     GRAY05("#A9ADBB"),
@@ -22,4 +25,13 @@ public enum TagColor {
     public String getHexCode() {
         return hexCode;
     }
+
+    public static TagColor fromHex(String hexCode) {
+        for (TagColor color : values()) {
+            if (color.getHexCode().equalsIgnoreCase(hexCode)) {
+                return color;
+            }
+        }
+        throw new InvalidRequestBodyException(ErrorCode.INVALID_REQUEST_BODY);
+    }
 }

src/main/java/com/official/memento/tag/service/command/TagCreateCommand.java

@@ -7,11 +7,12 @@ public record TagCreateCommand(
         TagColor color,
         String name
 ) {
-    public static TagCreateCommand of(
-            Long memberId,
-            TagColor color,
-            String name
-    ) {
+    public static TagCreateCommand createWithHexColor(Long memberId, String colorHex, String name) {
+        return new TagCreateCommand(memberId, TagColor.fromHex(colorHex), name);
+    }
+
+    public static TagCreateCommand of(Long memberId, TagColor color, String name) {
         return new TagCreateCommand(memberId, color, name);
     }
+
 }