diff --git a/src/colors2vec.py b/src/colors_plot.py
similarity index 62%
rename from src/colors2vec.py
rename to src/colors_plot.py
index 8fabde3..c2ec3cd 100644
--- a/src/colors2vec.py
+++ b/src/colors_plot.py
@@ -1,22 +1,30 @@
 import requests
 import json
-from vector_utils import Vector
+from vector_utils import Vector as vec
 
-
-def hex_to_int(s):
-    s = s.lstrip('#')
-    return [int(s[:2], 16), int(s[2:4], 16), int(s[4:6], 16)]
+def get_content(url):
+    response = requests.get(url)
+    content = response.content.decode()
+    return content
 
 
 def get_json(url):
-    response = requests.get(url)
-    content = response.content.decode()
+    content = get_content(url)
     data = json.loads(content)
     return data
 
 
+def hex_to_rgb(s):
+    s = s.lstrip('#')
+    return [int(s[:2], 16), int(s[2:4], 16), int(s[4:6], 16)]
+
+
 def parse_colors(data_set):
-    return dict((item['color'], hex_to_int(item['hex'])) for item in data_set['colors'])
+    return dict((item['color'], hex_to_rgb(item['hex'])) for item in data_set['colors'])
+
+
+def closest(space, coord, n=10):
+    return sorted(space.keys(), key=lambda x: vec.distance(space[x], coord))[:n]
 
 
 if __name__ == '__main__':
@@ -24,3 +32,4 @@ if __name__ == '__main__':
     data_set = get_json(data_set_url)
     colors = parse_colors(data_set)
 
+
diff --git a/src/vector_utils.py b/src/vector_utils.py
index 1384ad7..0779f54 100644
--- a/src/vector_utils.py
+++ b/src/vector_utils.py
@@ -11,9 +11,12 @@ class Vector:
         return [i + j for i, j in zip(*vecs)]
 
     @staticmethod
-    def subs(*vecs):
+    def subtract(*vecs):
         return [i - j for i, j in zip(*vecs)]
 
     @staticmethod
     def mean(*vecs):
         return [float(coord) / len(vecs) for coord in reduce(Vector.add, vecs)]
+
+
+
diff --git a/test/test_vector.py b/test/test_vector.py
index a90a8db..80cf348 100644
--- a/test/test_vector.py
+++ b/test/test_vector.py
@@ -16,11 +16,11 @@ class TestStringMethods(unittest.TestCase):
     def test_substract(self):
         v1 = [2, 3]
         v2 = [3, 4]
-        self.assertEqual([-1, -1], Vector.subs(v1, v2))
+        self.assertEqual([-1, -1], Vector.subtract(v1, v2))
 
         v1 = [5, 12, 32, 12]
         v2 = [34, 3, 4, 2]
-        self.assertEqual([-29, 9, 28, 10], Vector.subs(v1, v2))
+        self.assertEqual([-29, 9, 28, 10], Vector.subtract(v1, v2))
 
     def test_distance(self):
         v1 = [7, 4, 3]