在vue中，boolean类型的值怎么传给组件

<!DOCTYPE html>
<html lang="en">
<head>
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <meta http-equiv="X-UA-Compatible" content="ie=edge">
   <title>Vue_component_oli</title>
   <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
   <style>
       * {
           margin: 0;
           padding: 0;
       }
       ul {
           list-style: none;
       }
       .list_cards ul {
           display: flex;
           flex-direction: row;
       }
       .box {
           width: 300px;
           height: 450px;
           border: 5px solid #ccc;
           border-radius: 10px;
           margin-left: 10px;
           overflow: hidden;
       }
       .colors {
           opacity: 0.5;
       }
       .box_div_box {
           width: 100%;
           height: 70%;
           background-color: aqua;
           text-align: center;
           line-height: 315px;
       }
       .box_btn_box input {
           width: 30%;
           height: 50px;
           margin: 40px 10% ;
       }
   </style>
</head>
<body>
   <div id="list_cards" class="list_cards">
       <ul>
           <list-card v-for="post in posts" :id="post.id" :title="post.title" :class="{colors: post.color}"></list-card>
       </ul>
   </div>
   <script>
       Vue.component('list-card', {
           props: [ 'id','title', 'color' ],
           template: '<li class="box"><div class="box_div_box"><!--img src="" /-->{{ title }}</div><div class="box_btn_box"><input type="button" value="详情" :disabled="color" /><input type="button" value="购买" :disabled="color" /></div></li>',
       });
       let vm = new Vue({
           el: '#list_cards',
           data: {
               posts: [
                   { id: '1', title: 'card-1', color: true, },
                   { id: '2', title: 'card-2', color: false, },
                   { id: '3', title: 'card-3', color: true, },
               ],
           },
       });
   </script>
</body>
</html>
为什么disabled没有被赋上color的值？
希望老师可以帮忙解答一下。
目訫
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