From fc4a5d0dfc0dd95cc3187e18ac8b0ffe6e67def8 Mon Sep 17 00:00:00 2001
From: Weilin Shi <934587911@qq.com>
Date: Tue, 12 Jun 2018 11:06:37 +0800
Subject: [PATCH] Fix randomColor func

---
 captcha.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/captcha.go b/captcha.go
index 90d2f14..6e813e0 100644
--- a/captcha.go
+++ b/captcha.go
@@ -182,9 +182,9 @@ func drawNoise(img *image.NRGBA, opts *Options) {
 }
 
 func randomColor() color.RGBA {
-	red := rng.Intn(255)
-	green := rng.Intn(255)
-	blue := rng.Intn(255)
+	red := rng.Intn(256)
+	green := rng.Intn(256)
+	blue := rng.Intn(256)
 
 	return color.RGBA{R: uint8(red), G: uint8(green), B: uint8(blue), A: uint8(255)}
 }