diff --git a/dplanner/src/main/java/com/dp/dplanner/adapter/dto/ReservationDto.java b/dplanner/src/main/java/com/dp/dplanner/adapter/dto/ReservationDto.java
index 575a09e..b1340ac 100644
--- a/dplanner/src/main/java/com/dp/dplanner/adapter/dto/ReservationDto.java
+++ b/dplanner/src/main/java/com/dp/dplanner/adapter/dto/ReservationDto.java
@@ -28,6 +28,7 @@ public static class Create {
         private String title;
         private String usage;
         private boolean sharing;
+        private String color = "A294DB";
         @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "Asia/Seoul")
         private LocalDateTime startDateTime;
         @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "Asia/Seoul")
@@ -43,6 +44,7 @@ public Reservation toEntity(ClubMember clubMember, Resource resource) {
                     .title(title)
                     .usage(usage)
                     .sharing(sharing)
+                    .color(color)
                     .build();
         }
     }
@@ -57,6 +59,7 @@ public static class Update {
         private Long resourceId;
         private String title;
         private String usage;
+        private String color;
         private boolean sharing;
         @Builder.Default
         private List<Long> reservationInvitees = new ArrayList<>();
@@ -137,6 +140,7 @@ public static class Response {
         private boolean isReturned;
         private String returnMessage;
         private String rejectMessage;
+        private String color;
         private List<String> attachmentsUrl;
         @Builder.Default
         private List<ReservationInviteeDto> invitees = new ArrayList<>();
@@ -166,6 +170,7 @@ public static Response of(Reservation reservation) {
                     .isReturned(reservation.isReturned())
                     .returnMessage(reservation.getReturnMessage())
                     .rejectMessage(reservation.getRejectMessage())
+                    .color(reservation.getColor())
                     .attachmentsUrl(reservation.getAttachments().stream().map(Attachment::getUrl).collect(Collectors.toList()))
                     .invitees(
                             reservation.getReservationInvitees().stream().map(
diff --git a/dplanner/src/main/java/com/dp/dplanner/domain/Reservation.java b/dplanner/src/main/java/com/dp/dplanner/domain/Reservation.java
index d70a567..409523c 100644
--- a/dplanner/src/main/java/com/dp/dplanner/domain/Reservation.java
+++ b/dplanner/src/main/java/com/dp/dplanner/domain/Reservation.java
@@ -45,17 +45,19 @@ public class Reservation extends BaseEntity{
     private boolean isReturned = false;
     private String title;
     private String usage;
+    private String color;
     @Enumerated(EnumType.STRING)
     private ReservationStatus status;
 
     @Builder
-    public Reservation(Resource resource, ClubMember clubMember, Period period, boolean sharing, String title, String usage) {
+    public Reservation(Resource resource, ClubMember clubMember, Period period, boolean sharing, String title, String usage,String color) {
         setResource(resource);
         this.clubMember = clubMember;
         this.period = period;
         this.sharing = sharing;
         this.title = title;
         this.usage = usage;
+        this.color = color;
         this.status = REQUEST;
     }
 
@@ -75,11 +77,11 @@ public void update(String title, String usage, LocalDateTime startDateTime, Loca
         this.status = REQUEST;
     }
 
-    public void updateNotChangeStatus(String title, String usage, LocalDateTime startDateTime, LocalDateTime endDateTime, boolean sharing) {
+    public void updateNotChangeStatus(String title, String usage,boolean sharing, String color) {
         this.title = title;
         this.usage = usage;
         this.sharing = sharing;
-        this.period = new Period(startDateTime, endDateTime);
+        this.color = color;
     }
 
 
diff --git a/dplanner/src/main/java/com/dp/dplanner/service/ReservationService.java b/dplanner/src/main/java/com/dp/dplanner/service/ReservationService.java
index c4d668b..cc10c4e 100644
--- a/dplanner/src/main/java/com/dp/dplanner/service/ReservationService.java
+++ b/dplanner/src/main/java/com/dp/dplanner/service/ReservationService.java
@@ -16,6 +16,7 @@
 import org.springframework.data.domain.Sort;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.ObjectUtils;
 
 import java.time.Clock;
 import java.time.LocalDate;
@@ -113,14 +114,13 @@ public ReservationDto.Response updateReservation(Long clubMemberId, ReservationD
                 .orElseThrow(() -> new ServiceException(RESERVATION_NOT_FOUND));
 
         checkIsReservationOwner(clubMemberId, reservation);
-
+        checkUpdateDTONullValidation(reservation, updateDto);
         if (reservation.getPeriod().equals(new Period(start, end))) {
                 reservation.updateNotChangeStatus(
                         updateDto.getTitle(),
                         updateDto.getUsage(),
-                        updateDto.getStartDateTime(),
-                        updateDto.getEndDateTime(),
-                        updateDto.isSharing()
+                        updateDto.isSharing(),
+                        updateDto.getColor()
                 );
             // 양방향 관계 reservation.invitees clear 필요
             reservation.clearInvitee();
@@ -491,6 +491,25 @@ private void checkIsSameClubMember(Long clubMemberId, Long reservationOwnerId) {
         }
     }
 
+    private void checkUpdateDTONullValidation(Reservation reservation, ReservationDto.Update updateDto) {
+
+        if (ObjectUtils.isEmpty(updateDto.isSharing())) {
+            updateDto.setSharing(reservation.isSharing());
+        }
+
+        if (ObjectUtils.isEmpty(updateDto.getTitle())) {
+            updateDto.setTitle(reservation.getTitle());
+        }
+
+        if (ObjectUtils.isEmpty(updateDto.getUsage())) {
+            updateDto.setUsage(reservation.getUsage());
+        }
+
+        if (ObjectUtils.isEmpty(updateDto.getColor())) {
+            updateDto.setColor(reservation.getColor());
+        }
+    }
+
     /**
      * @param clubMemberIds : invitee ids
      * @param inviter       : inviter