diff --git a/internal/captcha/dwelling_captcha.go b/internal/captcha/dwelling_captcha.go
index 97af92c..82110d5 100644
--- a/internal/captcha/dwelling_captcha.go
+++ b/internal/captcha/dwelling_captcha.go
@@ -29,11 +29,19 @@ func (c *DwellingCaptcha) generateImage(style string) *image.Image {
 	ctx := gg.NewContext(dwImageWidth, dwImageHeight)
 
 	// fill background
-	ctx.SetRGB255(0x0a, 0x0a, 0x0a)
+	if style == "dark" {
+		ctx.SetRGB255(0x0a, 0x0a, 0x0a)
+	} else {
+		ctx.SetRGB255(0xf5, 0xf5, 0xf5)
+	}
 	ctx.Clear()
 
 	// draw text
-	ctx.SetRGB255(0xf5, 0xf5, 0xf5)
+	if style == "dark" {
+		ctx.SetRGB255(0xf5, 0xf5, 0xf5)
+	} else {
+		ctx.SetRGB255(0x0a, 0x0a, 0x0a)
+	}
 	ctx.Scale(4.0, 2.7)
 	ctx.DrawStringAnchored(string(c.GetAnswer()), 20, 5, .5, .5)