diff --git a/src/views/mypage/MyPage.vue b/src/views/mypage/MyPage.vue
index 4d2a62e..d7cfc54 100644
--- a/src/views/mypage/MyPage.vue
+++ b/src/views/mypage/MyPage.vue
@@ -15,13 +15,34 @@
         </div>
 
         <div class="col-xl-12">
-        <div class="d-flex">
-            <UserFormInput title="입사일" name="entryDate" type="date"
-            :value="form.entryDate" @update:data="form.entryDate = $event" class="me-2 w-50" />
-            <FormSelect title="컬러" name="color" :is-row="false" :is-label="true"
-            :is-common="true" :is-color="true" :data="colorList"
-            :value="form.color" @update:data="handleColorUpdate" class="w-50" />
-        </div>
+            <div class="d-flex">
+            <div class="w-50 me-2">
+                <UserFormInput
+                title="입사일"
+                name="entryDate"
+                type="date"
+                :value="form.entryDate"
+                @update:data="form.entryDate = $event"
+                />
+            </div>
+
+            <div class="d-flex flex-column w-50">
+                <FormSelect
+                title="컬러"
+                name="color"
+                :is-row="false"
+                :is-label="true"
+                :is-common="true"
+                :is-color="true"
+                :data="colorList"
+                :value="form.color"
+                @update:data="handleColorUpdate"
+                />
+                <span v-if="colorDuplicated" class="text-red-500 invalid-feedback mt-1 d-block">
+                이미 사용 중인 컬러입니다.
+                </span>
+            </div>
+            </div>
 
         <div class="d-flex">
             <UserFormInput title="생년월일" name="birth" type="date"
@@ -36,9 +57,12 @@
         <UserFormInput title="전화번호" name="phone" :value="form.phone"
             @update:data="form.phone = $event" @blur="checkPhoneDuplicate"
             :maxlength="11" @keypress="onlyNumber" />
+            <span v-if="phoneDuplicated" class="text-danger invalid-feedback mt-1 d-block">
+            이미 사용 중인 전화번호입니다.
+            </span>
 
         <div class="d-flex mt-5">
-            <button type="submit" class="btn btn-primary w-100" :disabled="!isChanged">
+            <button type="submit" class="btn btn-primary w-100" :disabled="!isChanged || phoneDuplicated || colorDuplicated">
             정보 수정
             </button>
         </div>
@@ -133,19 +157,20 @@ const onlyNumber = (e) => {
 
 const checkPhoneDuplicate = async () => {
     const res = await $api.get('/user/checkPhone', { params: { memberTel: form.value.phone } });
+    console.log(res.data)
     phoneDuplicated.value = !res.data.data;
 };
 
 const handleColorUpdate = async (colorVal) => {
-    if (colorVal !== originalData.value.color) {
-    const res = await $api.get('/user/checkColor', { params: { memberCol: colorVal } });
-    if (res.data.data) {
-        toastStore.onToast('이미 사용 중인 컬러입니다.', 'e');
-        form.value.color = originalData.value.color;
-        return;
-    }
-    }
     form.value.color = colorVal;
+    if (colorVal !== originalData.value.color) {
+        const res = await $api.get('/user/checkColor', {
+        params: { memberCol: colorVal }
+        });
+        colorDuplicated.value = res.data.data; // true면 중복
+    } else {
+        colorDuplicated.value = false;
+    }
 };
 
 const formatDate = (isoDate) => (isoDate ? isoDate.split('T')[0] : '');