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3.8 课堂练习:春天的色彩
01 按Ctrl+O快捷键,打开素材文件,如图3-142所示。选择魔棒工具,在工具选项栏中将“容差”设置为32,在白色背景上单击,选中背景,如图3-143所示。
02 按住Shift键并在漏选的背景上单击,将其添加到选区中,如图3-144和图3-145所示。
![](https://epubservercos.yuewen.com/6999C9/15253387804117106/epubprivate/OEBPS/Images/Figure-P69_18967.jpg?sign=1739158656-3LWnJZJhEXKpGrdsmWgru33he4eBqiNq-0-2d42cf98a8432148967130ad6b96d32c)
图3-142
![](https://epubservercos.yuewen.com/6999C9/15253387804117106/epubprivate/OEBPS/Images/Figure-P69_18968.jpg?sign=1739158656-LG8OtGqCaobsOK6nMs9ideukR3mh32M7-0-5ae261ba376ccc86db2b3d65818df9a4)
图3-143
![](https://epubservercos.yuewen.com/6999C9/15253387804117106/epubprivate/OEBPS/Images/Figure-P69_18969.jpg?sign=1739158656-PmB2xCTcNlW75kdr2nJuzIXlDSygVypH-0-d898c38cd1852f6a93854f290ef920d2)
图3-144
![](https://epubservercos.yuewen.com/6999C9/15253387804117106/epubprivate/OEBPS/Images/Figure-P69_18970.jpg?sign=1739158656-3x2FkMuMW6fCFczEF8ytIymYxdxSfX4r-0-291c725fc04451168fb68bf864c317af)
图3-145
03 执行“选择>反向”命令反转选区,选中手、油漆桶和油漆,如图3-146所示。按Ctrl+C快捷键复制图像。打开另一个文件,按Ctrl+V快捷键,将图像粘贴到该文档中,并使用移动工具拖至画面右上角,如图3-147所示。
04 单击“图层”面板底部的按钮,添加蒙版。选择画笔工具
,在工具选项栏中选择柔角笔尖并设置不透明度为50%,在油漆底部涂抹,通过蒙版将其遮盖,如图3-148和图3-149所示。
![](https://epubservercos.yuewen.com/6999C9/15253387804117106/epubprivate/OEBPS/Images/Figure-P69_18983.jpg?sign=1739158656-iJhqdMkmUy3aTX1xkmMQOlFeIv5SVQZl-0-6be10b7d92078bccdcd1e2ad75d1b6b1)
图3-146
![](https://epubservercos.yuewen.com/6999C9/15253387804117106/epubprivate/OEBPS/Images/Figure-P69_18984.jpg?sign=1739158656-rCuFRP4vXkXDoDltGqOX5yS0VJ1Ng7vQ-0-82f5c808628a7a3fbe3e6f3f39a4c906)
图3-147
![](https://epubservercos.yuewen.com/6999C9/15253387804117106/epubprivate/OEBPS/Images/Figure-P69_18985.jpg?sign=1739158656-OrCDUdc63SWiPSqq2kXfBHBZBMNEHJ4U-0-ec99d915e152ef059cf284dfd50a9db2)
图3-148
![](https://epubservercos.yuewen.com/6999C9/15253387804117106/epubprivate/OEBPS/Images/Figure-P69_18986.jpg?sign=1739158656-yBdNWh5aYRZZvQ5Qd5Jn3tBPi4PCsC8H-0-0e3a7ad9b7334f64b04e710a648c1b7d)
图3-149
05 选择“背景”图层,如图3-150所示。使用矩形选框工具创建选区,如图3-151所示。
06 单击“调整”面板中的按钮,创建一个“色相/饱和度”调整图层,在“属性”面板中选择“黄色”选项,将选中的树叶调整为红色,如图3-152和图3-153所示。
![](https://epubservercos.yuewen.com/6999C9/15253387804117106/epubprivate/OEBPS/Images/Figure-P70_19140.jpg?sign=1739158656-zaDzMTTnn0vknThYrPE6l68EN2VHTR6s-0-6105e9f1967c84a63d193b1a0421ad37)
图3-150
![](https://epubservercos.yuewen.com/6999C9/15253387804117106/epubprivate/OEBPS/Images/Figure-P70_19141.jpg?sign=1739158656-R9a8nqPg6H6XPHHKecKXGxPqKLcliIMR-0-c8b6c85df68dae4df095de15f0036743)
图3-151
![](https://epubservercos.yuewen.com/6999C9/15253387804117106/epubprivate/OEBPS/Images/Figure-P70_19142.jpg?sign=1739158656-LMTB3mtciYUxoTNGev9B5ppJGyGUBRpQ-0-2b94ce27fb6e43131a9a9b4fd45e7799)
图3-152
![](https://epubservercos.yuewen.com/6999C9/15253387804117106/epubprivate/OEBPS/Images/Figure-P70_19143.jpg?sign=1739158656-q7ffF9hTbdxIUOGzzolLw7DoUFfwmuax-0-88e0e33f56889c3fadf9e5f6540bedec)
图3-153
07 使用画笔工具在草地上涂抹黑色,通过蒙版遮盖调整效果,以便将草地恢复为黄色,如图3-154和图3-155所示。
![](https://epubservercos.yuewen.com/6999C9/15253387804117106/epubprivate/OEBPS/Images/Figure-P70_19150.jpg?sign=1739158656-ndwZ0OgFVWGT53A9wFHLQjgUuqzBVgn0-0-909531dda0ea65d4ca161127453eede8)
图3-154
![](https://epubservercos.yuewen.com/6999C9/15253387804117106/epubprivate/OEBPS/Images/Figure-P70_19151.jpg?sign=1739158656-2iwmf2CLXUVWCPzs1hq67qK3DYPig0I9-0-e56f8d6b81b9b29d1bf9e5447e9d93c1)
图3-155