diff --git a/src/theme.cr b/src/theme.cr
index 2ef8ee20..d2be0bf3 100644
--- a/src/theme.cr
+++ b/src/theme.cr
@@ -11,11 +11,16 @@ if ARGV.size > 0
 
   theme : Hash(YAML::Type, YAML::Type) = YAML.parse(File.read file).as_h
 
-  Theme.set_terminal(theme)
-  Theme.set_zathura(theme)
-  Theme.set_xresources(theme)
-  system("i3 restart >/dev/null 2>&1")
-  puts "Successfully changed the theme to #{theme["scheme"].to_s}!"
+  if ARGV.size > 1
+    Theme.preview(theme)
+  else
+    Theme.set_terminal(theme)
+    Theme.set_zathura(theme)
+    Theme.set_xresources(theme)
+    system("i3 restart >/dev/null 2>&1")
+    puts "Successfully changed the theme to #{theme["scheme"].to_s}!"
+  end
+
 else
   Theme.test
 end
diff --git a/src/theme_helper/theme_helper.cr b/src/theme_helper/theme_helper.cr
index 00e52499..a3353bdc 100644
--- a/src/theme_helper/theme_helper.cr
+++ b/src/theme_helper/theme_helper.cr
@@ -1,4 +1,5 @@
 require "colorize"
+require "./../trucolor"
 
 # The theme helper handles changing the color scheme for various
 # programs. It relies on Base16 color schemes and is an easy way
@@ -69,6 +70,29 @@ module Theme
     #test_color :white,          "color07 base05"
   end
 
+  # Previews a given theme.
+  #
+  # Unlike #test, #preview takes a given theme and prints
+  # those colors to the terminal.
+  def preview(theme : Hash(YAML::Type, YAML::Type))
+    preview_color theme["base00"], "base00"
+    preview_color theme["base01"], "base01"
+    preview_color theme["base02"], "base02"
+    preview_color theme["base03"], "base03"
+    preview_color theme["base04"], "base04"
+    preview_color theme["base05"], "base05"
+    preview_color theme["base06"], "base06"
+    preview_color theme["base07"], "base07"
+    preview_color theme["base08"], "base08"
+    preview_color theme["base09"], "base09"
+    preview_color theme["base0A"], "base0A"
+    preview_color theme["base0B"], "base0B"
+    preview_color theme["base0C"], "base0C"
+    preview_color theme["base0D"], "base0D"
+    preview_color theme["base0E"], "base0E"
+    preview_color theme["base0F"], "base0F"
+  end
+
   # Sets all the colors in zathura.
   #
   # This method will replace everything after the `[colors]`
@@ -304,6 +328,13 @@ module Theme
     print "\n"
   end
 
+  private def preview_color(color : YAML::Type, text : String)
+    r : Int32 = color.to_s[0,2].to_i(16)
+    g : Int32 = color.to_s[2,2].to_i(16)
+    b : Int32 = color.to_s[4,2].to_i(16)
+    print Trucolor.format({r, g, b}, "#{text} \x1b[48;2;#{r};#{g};#{b}m____________________________\x1b[0m\n")
+  end
+
   private def add_term(num : Int32, color : YAML::Type) : String
     return "color#{num.to_s.ljust(2, ' ')} = ##{color.to_s}\n"
   end