diff --git a/gempyrelib/include/gempyre_bitmap.h b/gempyrelib/include/gempyre_bitmap.h
index af7f0eb..a30ade1 100644
--- a/gempyrelib/include/gempyre_bitmap.h
+++ b/gempyrelib/include/gempyre_bitmap.h
@@ -123,6 +123,13 @@ namespace  Gempyre {
                 Gempyre::Color::alpha(color));
         }
 
+        [[nodiscard]]
+        ///@brief Apply given alpha to a color
+        static inline auto set_alpha(Gempyre::Color::type col, uint8_t alpha_val) {
+            return Gempyre::Color::rgba(Gempyre::Color::r(col), Gempyre::Color::g(col), Gempyre::Color::b(col), alpha_val);
+        }
+
+
         /// @brief Black
         static constexpr Color::type Black      = Color::rgba(0, 0, 0, 0xFF);
         /// @brief White
@@ -149,6 +156,64 @@ namespace  Gempyre {
         static constexpr Color::type Transparent = Color::rgba(0, 0, 0, 0);
     }
 
+    /// @brief HTML colors
+    constexpr std::array<std::pair<std::string_view, Color::type>, 147> html_colors = {{
+    {"AliceBlue", 0xF0F8FF}, {"AntiqueWhite", 0xFAEBD7}, {"Aqua", 0x00FFFF},
+    {"Aquamarine", 0x7FFFD4}, {"Azure", 0xF0FFFF}, {"Beige", 0xF5F5DC},
+    {"Bisque", 0xFFE4C4}, {"Black", 0x000000}, {"BlanchedAlmond", 0xFFEBCD},
+    {"Blue", 0x0000FF}, {"BlueViolet", 0x8A2BE2}, {"Brown", 0xA52A2A},
+    {"BurlyWood", 0xDEB887}, {"CadetBlue", 0x5F9EA0}, {"Chartreuse", 0x7FFF00},
+    {"Chocolate", 0xD2691E}, {"Coral", 0xFF7F50}, {"CornflowerBlue", 0x6495ED},
+    {"Cornsilk", 0xFFF8DC}, {"Crimson", 0xDC143C}, {"Cyan", 0x00FFFF},
+    {"DarkBlue", 0x00008B}, {"DarkCyan", 0x008B8B}, {"DarkGoldenRod", 0xB8860B},
+    {"DarkGray", 0xA9A9A9}, {"DarkGreen", 0x006400}, {"DarkKhaki", 0xBDB76B},
+    {"DarkMagenta", 0x8B008B}, {"DarkOliveGreen", 0x556B2F}, {"DarkOrange", 0xFF8C00},
+    {"DarkOrchid", 0x9932CC}, {"DarkRed", 0x8B0000}, {"DarkSalmon", 0xE9967A},
+    {"DarkSeaGreen", 0x8FBC8F}, {"DarkSlateBlue", 0x483D8B}, {"DarkSlateGray", 0x2F4F4F},
+    {"DarkTurquoise", 0x00CED1}, {"DarkViolet", 0x9400D3}, {"DeepPink", 0xFF1493},
+    {"DeepSkyBlue", 0x00BFFF}, {"DimGray", 0x696969}, {"DodgerBlue", 0x1E90FF},
+    {"FireBrick", 0xB22222}, {"FloralWhite", 0xFFFAF0}, {"ForestGreen", 0x228B22},
+    {"Fuchsia", 0xFF00FF}, {"Gainsboro", 0xDCDCDC}, {"GhostWhite", 0xF8F8FF},
+    {"Gold", 0xFFD700}, {"GoldenRod", 0xDAA520}, {"Gray", 0x808080},
+    {"Green", 0x008000}, {"GreenYellow", 0xADFF2F}, {"HoneyDew", 0xF0FFF0},
+    {"HotPink", 0xFF69B4}, {"IndianRed", 0xCD5C5C}, {"Indigo", 0x4B0082},
+    {"Ivory", 0xFFFFF0}, {"Khaki", 0xF0E68C}, {"Lavender", 0xE6E6FA},
+    {"LavenderBlush", 0xFFF0F5}, {"LawnGreen", 0x7CFC00}, {"LemonChiffon", 0xFFFACD},
+    {"LightBlue", 0xADD8E6}, {"LightCoral", 0xF08080}, {"LightCyan", 0xE0FFFF},
+    {"LightGoldenRodYellow", 0xFAFAD2}, {"LightGray", 0xD3D3D3}, {"LightGreen", 0x90EE90},
+    {"LightPink", 0xFFB6C1}, {"LightSalmon", 0xFFA07A}, {"LightSeaGreen", 0x20B2AA},
+    {"LightSkyBlue", 0x87CEFA}, {"LightSlateGray", 0x778899}, {"LightSteelBlue", 0xB0C4DE},
+    {"LightYellow", 0xFFFFE0}, {"Lime", 0x00FF00}, {"LimeGreen", 0x32CD32},
+    {"Linen", 0xFAF0E6}, {"Magenta", 0xFF00FF}, {"Maroon", 0x800000},
+    {"MediumAquaMarine", 0x66CDAA}, {"MediumBlue", 0x0000CD}, {"MediumOrchid", 0xBA55D3},
+    {"MediumPurple", 0x9370DB}, {"MediumSeaGreen", 0x3CB371}, {"MediumSlateBlue", 0x7B68EE},
+    {"MediumSpringGreen", 0x00FA9A}, {"MediumTurquoise", 0x48D1CC}, {"MediumVioletRed", 0xC71585},
+    {"MidnightBlue", 0x191970}, {"MintCream", 0xF5FFFA}, {"MistyRose", 0xFFE4E1},
+    {"Moccasin", 0xFFE4B5}, {"NavajoWhite", 0xFFDEAD}, {"Navy", 0x000080},
+    {"OldLace", 0xFDF5E6}, {"Olive", 0x808000}, {"OliveDrab", 0x6B8E23},
+    {"Orange", 0xFFA500}, {"OrangeRed", 0xFF4500}, {"Orchid", 0xDA70D6},
+    {"PaleGoldenRod", 0xEEE8AA}, {"PaleGreen", 0x98FB98}, {"PaleTurquoise", 0xAFEEEE},
+    {"PaleVioletRed", 0xDB7093}, {"PapayaWhip", 0xFFEFD5}, {"PeachPuff", 0xFFDAB9},
+    {"Peru", 0xCD853F}, {"Pink", 0xFFC0CB}, {"Plum", 0xDDA0DD},
+    {"PowderBlue", 0xB0E0E6}, {"Purple", 0x800080}, {"RebeccaPurple", 0x663399},
+    {"Red", 0xFF0000}, {"RosyBrown", 0xBC8F8F}, {"RoyalBlue", 0x4169E1},
+    {"SaddleBrown", 0x8B4513}, {"Salmon", 0xFA8072}, {"SandyBrown", 0xF4A460},
+    {"SeaGreen", 0x2E8B57}, {"SeaShell", 0xFFF5EE}, {"Sienna", 0xA0522D},
+    {"Silver", 0xC0C0C0}, {"SkyBlue", 0x87CEEB}, {"SlateBlue", 0x6A5ACD},
+    {"SlateGray", 0x708090}, {"Snow", 0xFFFAFA}, {"SpringGreen", 0x00FF7F},
+    {"SteelBlue", 0x4682B4}, {"Tan", 0xD2B48C}, {"Teal", 0x008080},
+    {"Thistle", 0xD8BFD8}, {"Tomato", 0xFF6347}, {"Turquoise", 0x40E0D0},
+    {"Violet", 0xEE82EE}, {"Wheat", 0xF5DEB3}, {"White", 0xFFFFFF},
+    {"WhiteSmoke", 0xF5F5F5}, {"Yellow", 0xFFFF00}, {"YellowGreen", 0x9ACD32}
+    }};
+
+
+    [[nodiscard]]
+    ///@brief find a HTML color as Color::type
+    inline constexpr std::optional<Color::type> from_html_name(std::string_view name) {
+        const auto it = std::find_if(std::begin(html_colors), std::end(html_colors), [&](const auto& p) {return p.first == name;});
+        return it != std::end(html_colors) ? std::make_optional(it->second) : std::nullopt;
+    }
 
     /// @brief Bitmap for Gempyre Graphics
     class GEMPYRE_EX Bitmap {
diff --git a/gempyrelib/include/gempyre_graphics.h b/gempyrelib/include/gempyre_graphics.h
index cdff05e..5777a11 100644
--- a/gempyrelib/include/gempyre_graphics.h
+++ b/gempyrelib/include/gempyre_graphics.h
@@ -240,57 +240,6 @@ class FrameComposer {
     Gempyre::CanvasElement::CommandList m_composition{};
 };
 
-/// @brief HTML colors
-constexpr std::array<std::pair<std::string_view, uint32_t>, 147> html_colors = {{
-    {"AliceBlue", 0xF0F8FF}, {"AntiqueWhite", 0xFAEBD7}, {"Aqua", 0x00FFFF},
-    {"Aquamarine", 0x7FFFD4}, {"Azure", 0xF0FFFF}, {"Beige", 0xF5F5DC},
-    {"Bisque", 0xFFE4C4}, {"Black", 0x000000}, {"BlanchedAlmond", 0xFFEBCD},
-    {"Blue", 0x0000FF}, {"BlueViolet", 0x8A2BE2}, {"Brown", 0xA52A2A},
-    {"BurlyWood", 0xDEB887}, {"CadetBlue", 0x5F9EA0}, {"Chartreuse", 0x7FFF00},
-    {"Chocolate", 0xD2691E}, {"Coral", 0xFF7F50}, {"CornflowerBlue", 0x6495ED},
-    {"Cornsilk", 0xFFF8DC}, {"Crimson", 0xDC143C}, {"Cyan", 0x00FFFF},
-    {"DarkBlue", 0x00008B}, {"DarkCyan", 0x008B8B}, {"DarkGoldenRod", 0xB8860B},
-    {"DarkGray", 0xA9A9A9}, {"DarkGreen", 0x006400}, {"DarkKhaki", 0xBDB76B},
-    {"DarkMagenta", 0x8B008B}, {"DarkOliveGreen", 0x556B2F}, {"DarkOrange", 0xFF8C00},
-    {"DarkOrchid", 0x9932CC}, {"DarkRed", 0x8B0000}, {"DarkSalmon", 0xE9967A},
-    {"DarkSeaGreen", 0x8FBC8F}, {"DarkSlateBlue", 0x483D8B}, {"DarkSlateGray", 0x2F4F4F},
-    {"DarkTurquoise", 0x00CED1}, {"DarkViolet", 0x9400D3}, {"DeepPink", 0xFF1493},
-    {"DeepSkyBlue", 0x00BFFF}, {"DimGray", 0x696969}, {"DodgerBlue", 0x1E90FF},
-    {"FireBrick", 0xB22222}, {"FloralWhite", 0xFFFAF0}, {"ForestGreen", 0x228B22},
-    {"Fuchsia", 0xFF00FF}, {"Gainsboro", 0xDCDCDC}, {"GhostWhite", 0xF8F8FF},
-    {"Gold", 0xFFD700}, {"GoldenRod", 0xDAA520}, {"Gray", 0x808080},
-    {"Green", 0x008000}, {"GreenYellow", 0xADFF2F}, {"HoneyDew", 0xF0FFF0},
-    {"HotPink", 0xFF69B4}, {"IndianRed", 0xCD5C5C}, {"Indigo", 0x4B0082},
-    {"Ivory", 0xFFFFF0}, {"Khaki", 0xF0E68C}, {"Lavender", 0xE6E6FA},
-    {"LavenderBlush", 0xFFF0F5}, {"LawnGreen", 0x7CFC00}, {"LemonChiffon", 0xFFFACD},
-    {"LightBlue", 0xADD8E6}, {"LightCoral", 0xF08080}, {"LightCyan", 0xE0FFFF},
-    {"LightGoldenRodYellow", 0xFAFAD2}, {"LightGray", 0xD3D3D3}, {"LightGreen", 0x90EE90},
-    {"LightPink", 0xFFB6C1}, {"LightSalmon", 0xFFA07A}, {"LightSeaGreen", 0x20B2AA},
-    {"LightSkyBlue", 0x87CEFA}, {"LightSlateGray", 0x778899}, {"LightSteelBlue", 0xB0C4DE},
-    {"LightYellow", 0xFFFFE0}, {"Lime", 0x00FF00}, {"LimeGreen", 0x32CD32},
-    {"Linen", 0xFAF0E6}, {"Magenta", 0xFF00FF}, {"Maroon", 0x800000},
-    {"MediumAquaMarine", 0x66CDAA}, {"MediumBlue", 0x0000CD}, {"MediumOrchid", 0xBA55D3},
-    {"MediumPurple", 0x9370DB}, {"MediumSeaGreen", 0x3CB371}, {"MediumSlateBlue", 0x7B68EE},
-    {"MediumSpringGreen", 0x00FA9A}, {"MediumTurquoise", 0x48D1CC}, {"MediumVioletRed", 0xC71585},
-    {"MidnightBlue", 0x191970}, {"MintCream", 0xF5FFFA}, {"MistyRose", 0xFFE4E1},
-    {"Moccasin", 0xFFE4B5}, {"NavajoWhite", 0xFFDEAD}, {"Navy", 0x000080},
-    {"OldLace", 0xFDF5E6}, {"Olive", 0x808000}, {"OliveDrab", 0x6B8E23},
-    {"Orange", 0xFFA500}, {"OrangeRed", 0xFF4500}, {"Orchid", 0xDA70D6},
-    {"PaleGoldenRod", 0xEEE8AA}, {"PaleGreen", 0x98FB98}, {"PaleTurquoise", 0xAFEEEE},
-    {"PaleVioletRed", 0xDB7093}, {"PapayaWhip", 0xFFEFD5}, {"PeachPuff", 0xFFDAB9},
-    {"Peru", 0xCD853F}, {"Pink", 0xFFC0CB}, {"Plum", 0xDDA0DD},
-    {"PowderBlue", 0xB0E0E6}, {"Purple", 0x800080}, {"RebeccaPurple", 0x663399},
-    {"Red", 0xFF0000}, {"RosyBrown", 0xBC8F8F}, {"RoyalBlue", 0x4169E1},
-    {"SaddleBrown", 0x8B4513}, {"Salmon", 0xFA8072}, {"SandyBrown", 0xF4A460},
-    {"SeaGreen", 0x2E8B57}, {"SeaShell", 0xFFF5EE}, {"Sienna", 0xA0522D},
-    {"Silver", 0xC0C0C0}, {"SkyBlue", 0x87CEEB}, {"SlateBlue", 0x6A5ACD},
-    {"SlateGray", 0x708090}, {"Snow", 0xFFFAFA}, {"SpringGreen", 0x00FF7F},
-    {"SteelBlue", 0x4682B4}, {"Tan", 0xD2B48C}, {"Teal", 0x008080},
-    {"Thistle", 0xD8BFD8}, {"Tomato", 0xFF6347}, {"Turquoise", 0x40E0D0},
-    {"Violet", 0xEE82EE}, {"Wheat", 0xF5DEB3}, {"White", 0xFFFFFF},
-    {"WhiteSmoke", 0xF5F5F5}, {"Yellow", 0xFFFF00}, {"YellowGreen", 0x9ACD32}
-}};
-
 
 }