From 699e14acac49905229a8c99363e4220e8f78d7b4 Mon Sep 17 00:00:00 2001
From: neko <52202080+akiyamaneko@users.noreply.github.com>
Date: Tue, 29 Sep 2020 11:07:58 +0800
Subject: [PATCH] =?UTF-8?q?=E9=9A=8F=E6=9C=BA=E9=A2=9C=E8=89=B2=E8=8C=83?=
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---
 hutool-core/src/main/java/cn/hutool/core/img/ImgUtil.java | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/hutool-core/src/main/java/cn/hutool/core/img/ImgUtil.java b/hutool-core/src/main/java/cn/hutool/core/img/ImgUtil.java
index fe107ad31..614814a2b 100644
--- a/hutool-core/src/main/java/cn/hutool/core/img/ImgUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/img/ImgUtil.java
@@ -61,6 +61,12 @@ public class ImgUtil {
 	public static final String IMAGE_TYPE_BMP = "bmp";// 英文Bitmap（位图）的简写，它是Windows操作系统中的标准图像文件格式
 	public static final String IMAGE_TYPE_PNG = "png";// 可移植网络图形
 	public static final String IMAGE_TYPE_PSD = "psd";// Photoshop的专用格式Photoshop
+	
+	/**
+	 * RGB颜色范围上限
+	 */
+	private static final int RGB_COLOR_BOUND = 256;
+	
 
 	// ---------------------------------------------------------------------------------------------------------------------- scale
 
@@ -1952,7 +1958,7 @@ public class ImgUtil {
 		if (null == random) {
 			random = RandomUtil.getRandom();
 		}
-		return new Color(random.nextInt(255), random.nextInt(255), random.nextInt(255));
+		return new Color(random.nextInt(RGB_COLOR_BOUND), random.nextInt(RGB_COLOR_BOUND), random.nextInt(RGB_COLOR_BOUND));
 	}
 
 	/**