diff --git a/weechat-matrix.py b/weechat-matrix.py
index 856bfdd..906ec33 100644
--- a/weechat-matrix.py
+++ b/weechat-matrix.py
@@ -10,6 +10,7 @@ import datetime
 import pprint
 import re
 import sys
+import webcolors
 
 # pylint: disable=redefined-builtin
 from builtins import bytes, str
@@ -588,7 +589,7 @@ Default_format_attributes = {
 }
 
 
-def line_color_to_sgr(color_string):
+def color_line_to_weechat(color_string):
     # type: (str) -> str
     line_colors = {
         "0": "white",
@@ -698,12 +699,396 @@ def line_color_to_sgr(color_string):
     return line_colors[color_string]
 
 
-def html_color_to_sgr(color):
-    pass
+# The functions colour_dist_sq(), colour_to_6cube(), and colour_find_rgb
+# are python ports of the same named functions from the tmux
+# source, they are under the copyright of Nicholas Marriott, and Avi Halachmi
+# under the ISC license.
+# More info: https://github.com/tmux/tmux/blob/master/colour.c
+
+def colour_dist_sq(R, G, B, r, g, b):
+    # pylint: disable=invalid-name,too-many-arguments
+    # type: (int, int, int, int, int, int) -> int
+    return (R - r) * (R - r) + (G - g) * (G - g) + (B - b) * (B - b)
 
 
-def sgr_to_rgb(color):
-    pass
+def colour_to_6cube(v):
+    # pylint: disable=invalid-name
+    # type: (int) -> int
+    if v < 48:
+        return 0
+    if v < 114:
+        return 1
+    return (v - 35) // 40
+
+
+def colour_find_rgb(r, g, b):
+    """Convert an RGB triplet to the xterm(1) 256 colour palette.
+
+       xterm provides a 6x6x6 colour cube (16 - 231) and 24 greys (232 - 255).
+       We map our RGB colour to the closest in the cube, also work out the
+       closest grey, and use the nearest of the two.
+
+       Note that the xterm has much lower resolution for darker colours (they
+       are not evenly spread out), so our 6 levels are not evenly spread: 0x0,
+       0x5f (95), 0x87 (135), 0xaf (175), 0xd7 (215) and 0xff (255). Greys are
+       more evenly spread (8, 18, 28 ... 238).
+    """
+    # pylint: disable=invalid-name
+    # type: (int, int, int) -> int
+    q2c = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff]
+
+    # Map RGB to 6x6x6 cube.
+    qr = colour_to_6cube(r)
+    qg = colour_to_6cube(g)
+    qb = colour_to_6cube(b)
+
+    cr = q2c[qr]
+    cg = q2c[qg]
+    cb = q2c[qb]
+
+    # If we have hit the colour exactly, return early.
+    if (cr == r and cg == g and cb == b):
+        return 16 + (36 * qr) + (6 * qg) + qb
+
+    # Work out the closest grey (average of RGB).
+    grey_avg = (r + g + b) // 3
+
+    if grey_avg > 238:
+        grey_idx = 23
+    else:
+        grey_idx = (grey_avg - 3) // 10
+
+    grey = 8 + (10 * grey_idx)
+
+    # Is grey or 6x6x6 colour closest?
+    d = colour_dist_sq(cr, cg, cb, r, g, b)
+
+    if colour_dist_sq(grey, grey, grey, r, g, b) < d:
+        idx = 232 + grey_idx
+    else:
+        idx = 16 + (36 * qr) + (6 * qg) + qb
+
+    return idx
+
+
+def color_html_to_weechat(color):
+    # type: (str) -> str
+    first_16 = {
+        (0,     0,   0): "black",         # 0
+        (128,   0,   0): "red",           # 1
+        (0,   128,   0): "green",         # 2
+        (128, 128,   0): "brown",         # 3
+        (0,     0, 128): "blue",          # 4
+        (128,   0, 128): "magenta",       # 5
+        (0,   128, 128): "cyan",          # 6
+        (192, 192, 192): "default",       # 7
+        (128, 128, 128): "gray",          # 8
+        (255,   0,   0): "lightred",      # 9
+        (0,   255,   0): "lightgreen",    # 11
+        (255, 255,   0): "yellow",        # 12
+        (0,     0, 255): "lightblue",     # 13
+        (255,   0, 255): "lightmagenta",  # 14
+        (0,   255, 255): "lightcyan",     # 15
+    }
+
+    try:
+        rgb_color = webcolors.html5_parse_legacy_color(color)
+    except ValueError:
+        return None
+
+    if rgb_color in first_16:
+        return first_16[rgb_color]
+
+    return str(colour_find_rgb(*rgb_color))
+
+
+def color_weechat_to_html(color):
+    first_16 = {
+        "black":        "black",    # 0
+        "red":          "maroon",   # 1
+        "green":        "green",    # 2
+        "brown":        "olive",    # 3
+        "blue":         "navy",     # 4
+        "magenta":      "purple",   # 5
+        "cyan":         "teal",     # 6
+        "default":      "silver",   # 7
+        "gray":         "grey",     # 8
+        "lightred":     "red",      # 9
+        "lightgreen":   "lime",     # 11
+        "yellow":       "yellow",   # 12
+        "lightblue":    "fuchsia",  # 13
+        "lightmagenta": "aqua",     # 14
+        "lightcyan":    "white",    # 15
+    }
+
+    hex_colors = {
+        "0":   "#000000",
+        "1":   "#800000",
+        "2":   "#008000",
+        "3":   "#808000",
+        "4":   "#000080",
+        "5":   "#800080",
+        "6":   "#008080",
+        "7":   "#c0c0c0",
+        "8":   "#808080",
+        "9":   "#ff0000",
+        "10":  "#00ff00",
+        "11":  "#ffff00",
+        "12":  "#0000ff",
+        "13":  "#ff00ff",
+        "14":  "#00ffff",
+        "15":  "#ffffff",
+        "16":  "#000000",
+        "17":  "#00005f",
+        "18":  "#000087",
+        "19":  "#0000af",
+        "20":  "#0000d7",
+        "21":  "#0000ff",
+        "22":  "#005f00",
+        "23":  "#005f5f",
+        "24":  "#005f87",
+        "25":  "#005faf",
+        "26":  "#005fd7",
+        "27":  "#005fff",
+        "28":  "#008700",
+        "29":  "#00875f",
+        "30":  "#008787",
+        "31":  "#0087af",
+        "32":  "#0087d7",
+        "33":  "#0087ff",
+        "34":  "#00af00",
+        "35":  "#00af5f",
+        "36":  "#00af87",
+        "37":  "#00afaf",
+        "38":  "#00afd7",
+        "39":  "#00afff",
+        "40":  "#00d700",
+        "41":  "#00d75f",
+        "42":  "#00d787",
+        "43":  "#00d7af",
+        "44":  "#00d7d7",
+        "45":  "#00d7ff",
+        "46":  "#00ff00",
+        "47":  "#00ff5f",
+        "48":  "#00ff87",
+        "49":  "#00ffaf",
+        "50":  "#00ffd7",
+        "51":  "#00ffff",
+        "52":  "#5f0000",
+        "53":  "#5f005f",
+        "54":  "#5f0087",
+        "55":  "#5f00af",
+        "56":  "#5f00d7",
+        "57":  "#5f00ff",
+        "58":  "#5f5f00",
+        "59":  "#5f5f5f",
+        "60":  "#5f5f87",
+        "61":  "#5f5faf",
+        "62":  "#5f5fd7",
+        "63":  "#5f5fff",
+        "64":  "#5f8700",
+        "65":  "#5f875f",
+        "66":  "#5f8787",
+        "67":  "#5f87af",
+        "68":  "#5f87d7",
+        "69":  "#5f87ff",
+        "70":  "#5faf00",
+        "71":  "#5faf5f",
+        "72":  "#5faf87",
+        "73":  "#5fafaf",
+        "74":  "#5fafd7",
+        "75":  "#5fafff",
+        "76":  "#5fd700",
+        "77":  "#5fd75f",
+        "78":  "#5fd787",
+        "79":  "#5fd7af",
+        "80":  "#5fd7d7",
+        "81":  "#5fd7ff",
+        "82":  "#5fff00",
+        "83":  "#5fff5f",
+        "84":  "#5fff87",
+        "85":  "#5fffaf",
+        "86":  "#5fffd7",
+        "87":  "#5fffff",
+        "88":  "#870000",
+        "89":  "#87005f",
+        "90":  "#870087",
+        "91":  "#8700af",
+        "92":  "#8700d7",
+        "93":  "#8700ff",
+        "94":  "#875f00",
+        "95":  "#875f5f",
+        "96":  "#875f87",
+        "97":  "#875faf",
+        "98":  "#875fd7",
+        "99":  "#875fff",
+        "100": "#878700",
+        "101": "#87875f",
+        "102": "#878787",
+        "103": "#8787af",
+        "104": "#8787d7",
+        "105": "#8787ff",
+        "106": "#87af00",
+        "107": "#87af5f",
+        "108": "#87af87",
+        "109": "#87afaf",
+        "110": "#87afd7",
+        "111": "#87afff",
+        "112": "#87d700",
+        "113": "#87d75f",
+        "114": "#87d787",
+        "115": "#87d7af",
+        "116": "#87d7d7",
+        "117": "#87d7ff",
+        "118": "#87ff00",
+        "119": "#87ff5f",
+        "120": "#87ff87",
+        "121": "#87ffaf",
+        "122": "#87ffd7",
+        "123": "#87ffff",
+        "124": "#af0000",
+        "125": "#af005f",
+        "126": "#af0087",
+        "127": "#af00af",
+        "128": "#af00d7",
+        "129": "#af00ff",
+        "130": "#af5f00",
+        "131": "#af5f5f",
+        "132": "#af5f87",
+        "133": "#af5faf",
+        "134": "#af5fd7",
+        "135": "#af5fff",
+        "136": "#af8700",
+        "137": "#af875f",
+        "138": "#af8787",
+        "139": "#af87af",
+        "140": "#af87d7",
+        "141": "#af87ff",
+        "142": "#afaf00",
+        "143": "#afaf5f",
+        "144": "#afaf87",
+        "145": "#afafaf",
+        "146": "#afafd7",
+        "147": "#afafff",
+        "148": "#afd700",
+        "149": "#afd75f",
+        "150": "#afd787",
+        "151": "#afd7af",
+        "152": "#afd7d7",
+        "153": "#afd7ff",
+        "154": "#afff00",
+        "155": "#afff5f",
+        "156": "#afff87",
+        "157": "#afffaf",
+        "158": "#afffd7",
+        "159": "#afffff",
+        "160": "#d70000",
+        "161": "#d7005f",
+        "162": "#d70087",
+        "163": "#d700af",
+        "164": "#d700d7",
+        "165": "#d700ff",
+        "166": "#d75f00",
+        "167": "#d75f5f",
+        "168": "#d75f87",
+        "169": "#d75faf",
+        "170": "#d75fd7",
+        "171": "#d75fff",
+        "172": "#d78700",
+        "173": "#d7875f",
+        "174": "#d78787",
+        "175": "#d787af",
+        "176": "#d787d7",
+        "177": "#d787ff",
+        "178": "#d7af00",
+        "179": "#d7af5f",
+        "180": "#d7af87",
+        "181": "#d7afaf",
+        "182": "#d7afd7",
+        "183": "#d7afff",
+        "184": "#d7d700",
+        "185": "#d7d75f",
+        "186": "#d7d787",
+        "187": "#d7d7af",
+        "188": "#d7d7d7",
+        "189": "#d7d7ff",
+        "190": "#d7ff00",
+        "191": "#d7ff5f",
+        "192": "#d7ff87",
+        "193": "#d7ffaf",
+        "194": "#d7ffd7",
+        "195": "#d7ffff",
+        "196": "#ff0000",
+        "197": "#ff005f",
+        "198": "#ff0087",
+        "199": "#ff00af",
+        "200": "#ff00d7",
+        "201": "#ff00ff",
+        "202": "#ff5f00",
+        "203": "#ff5f5f",
+        "204": "#ff5f87",
+        "205": "#ff5faf",
+        "206": "#ff5fd7",
+        "207": "#ff5fff",
+        "208": "#ff8700",
+        "209": "#ff875f",
+        "210": "#ff8787",
+        "211": "#ff87af",
+        "212": "#ff87d7",
+        "213": "#ff87ff",
+        "214": "#ffaf00",
+        "215": "#ffaf5f",
+        "216": "#ffaf87",
+        "217": "#ffafaf",
+        "218": "#ffafd7",
+        "219": "#ffafff",
+        "220": "#ffd700",
+        "221": "#ffd75f",
+        "222": "#ffd787",
+        "223": "#ffd7af",
+        "224": "#ffd7d7",
+        "225": "#ffd7ff",
+        "226": "#ffff00",
+        "227": "#ffff5f",
+        "228": "#ffff87",
+        "229": "#ffffaf",
+        "230": "#ffffd7",
+        "231": "#ffffff",
+        "232": "#080808",
+        "233": "#121212",
+        "234": "#1c1c1c",
+        "235": "#262626",
+        "236": "#303030",
+        "237": "#3a3a3a",
+        "238": "#444444",
+        "239": "#4e4e4e",
+        "240": "#585858",
+        "241": "#626262",
+        "242": "#6c6c6c",
+        "243": "#767676",
+        "244": "#808080",
+        "245": "#8a8a8a",
+        "246": "#949494",
+        "247": "#9e9e9e",
+        "248": "#a8a8a8",
+        "249": "#b2b2b2",
+        "250": "#bcbcbc",
+        "251": "#c6c6c6",
+        "252": "#d0d0d0",
+        "253": "#dadada",
+        "254": "#e4e4e4",
+        "255": "#eeeeee"
+    }
+
+    if color in first_16:
+        return first_16[color]
+
+    hex_color = hex_colors[color]
+
+    try:
+        return webcolors.hex_to_name(hex_color)
+    except ValueError:
+        return hex_color
 
 
 # TODO reverse video
@@ -745,7 +1130,7 @@ def parse_input_line(line):
                         color_string = color_string + line[i]
                     i = i + 1
 
-                attributes["fgcolor"] = line_color_to_sgr(color_string)
+                attributes["fgcolor"] = color_line_to_weechat(color_string)
             else:
                 attributes["fgcolor"] = None
 
@@ -761,7 +1146,7 @@ def parse_input_line(line):
                         color_string = color_string + line[i]
                     i = i + 1
 
-                attributes["bgcolor"] = line_color_to_sgr(color_string)
+                attributes["bgcolor"] = color_line_to_weechat(color_string)
             else:
                 attributes["bgcolor"] = None
         # Reset
@@ -861,7 +1246,6 @@ def formatted_to_weechat(strings):
 def formatted_to_html(strings):
     # type: (List[FormattedString]) -> str
     # TODO BG COLOR
-    # TODO color conversion SGR -> HTML
     def add_attribute(string, name, value):
         if name == "bold" and value:
             return "{bold_on}{text}{bold_off}".format(
@@ -890,7 +1274,9 @@ def formatted_to_html(strings):
                 quote_off="</blockquote>")
         elif name == "fgcolor" and value:
             return "{color_on}{text}{color_off}".format(
-                color_on="<font color={color}>".format(color=value),
+                color_on="<font color={color}>".format(
+                    color=color_weechat_to_html(value)
+                ),
                 text=string,
                 color_off="</font>")
 
@@ -928,7 +1314,7 @@ def formatted_to_plain(strings):
 
 
 class MatrixHtmlParser(HTMLParser):
-    # TODO colors
+    # TODO bg color
     # TODO bullets
     def __init__(self):
         HTMLParser.__init__(self)
@@ -957,6 +1343,20 @@ class MatrixHtmlParser(HTMLParser):
             self._toggle_attribute("quote")
         elif tag == "blockquote":
             self._toggle_attribute("quote")
+        elif tag == "font":
+            for key, value in attrs:
+                if key == "color":
+                    color = color_html_to_weechat(value)
+
+                    if not color:
+                        continue
+
+                    if self.text:
+                        self.substrings.append(
+                            FormattedString(self.text, self.attributes.copy())
+                        )
+                    self.text = ""
+                    self.attributes["fgcolor"] = color
         else:
             W.prnt("", "Unhandled tag {t}".format(t=tag))
 
@@ -971,6 +1371,13 @@ class MatrixHtmlParser(HTMLParser):
             self._toggle_attribute("strikethrough")
         elif tag == "blockquote":
             self._toggle_attribute("quote")
+        elif tag == "font":
+            if self.text:
+                self.substrings.append(
+                    FormattedString(self.text, self.attributes.copy())
+                )
+            self.text = ""
+            self.attributes["fgcolor"] = None
         else:
             pass