Closes #61

src/libbot/pycord/utils/__init__.py

@@ -0,0 +1 @@
+from .color import color_from_hex, hex_from_color

src/libbot/pycord/utils/color.py

@@ -0,0 +1,35 @@
+from discord import Colour
+
+
+def _int_from_hex(hex_string: str) -> int:
+    try:
+        return int(hex_string, base=16)
+    except Exception as exc:
+        raise ValueError("Input string must be a valid HEX code.") from exc
+
+
+def _hex_from_int(color_int: int) -> str:
+    if not 0 <= color_int <= 0xFFFFFF:
+        raise ValueError("Color's value must be in the range 0 to 0xFFFFFF.")
+
+    return f"#{color_int:06x}"
+
+
+def color_from_hex(hex_string: str) -> Colour:
+    """Convert valid hexadecimal string to discord.Colour.
+
+    :param hex_string: Hexadecimal string to convert into Colour object
+    :type hex_string: str
+    :return: Colour object
+    """
+    return Colour(_int_from_hex(hex_string))
+
+
+def hex_from_color(color: Colour) -> str:
+    """Convert discord.Colour to hexadecimal string.
+
+    :param color: Colour object to convert into the string
+    :type color: Colour
+    :return: Hexadecimal string in #XXXXXX format
+    """
+    return _hex_from_int(color.value)