parse-color 0.1.2

A crate that provides conversion from CSS color names or TailwindCSS classes to RGBA colors, in the form of [u8; 4].
Documentation
/// Parse a CSS color name into a `[u8;4]` in the order of `RGBA`.
pub fn parse(name: &str) -> Option<[u8; 4]> {
    let s: String = name.chars().filter_map(|c|
        match c {
            'A'..='Z' => Some(c.to_ascii_lowercase()),
            'a'..='z' => Some(c),
            _ => None,
        }
    ).collect();
    parse_flat_lower(&s)
}

/// Parse a CSS color name into a `[u8;4]` in the order of `RGBA`.
///
/// This is a non-allocating version of [`parse`], 
/// will fail if the string is not `flatlowercase`.
pub fn parse_flat_lower(name: &str) -> Option<[u8; 4]> {
    let value: u32 = match name{
        "none" => 0x00000000,
        "transparent" => 0x00000000,
        "aliceblue" => 0xf0f8ffff,
        "antiquewhite" => 0xfaebd7ff,
        "aqua" => 0x00ffffff,
        "aquamarine" => 0x7fffd4ff,
        "azure" => 0xf0ffffff,
        "beige" => 0xf5f5dcff,
        "bisque" => 0xffe4c4ff,
        "black" => 0x000000ff,
        "blanchedalmond" => 0xffebcdff,
        "blue" => 0x0000ffff,
        "blueviolet" => 0x8a2be2ff,
        "brown" => 0xa52a2aff,
        "burlywood" => 0xdeb887ff,
        "cadetblue" => 0x5f9ea0ff,
        "chartreuse" => 0x7fff00ff,
        "chocolate" => 0xd2691eff,
        "coral" => 0xff7f50ff,
        "cornflowerblue" => 0x6495edff,
        "cornsilk" => 0xfff8dcff,
        "crimson" => 0xdc143cff,
        "cyan" => 0x00ffffff,
        "darkblue" => 0x00008bff,
        "darkcyan" => 0x008b8bff,
        "darkgoldenrod" => 0xb8860bff,
        "darkgray" => 0xa9a9a9ff,
        "darkgreen" => 0x006400ff,
        "darkgrey" => 0xa9a9a9ff,
        "darkkhaki" => 0xbdb76bff,
        "darkmagenta" => 0x8b008bff,
        "darkolivegreen" => 0x556b2fff,
        "darkorange" => 0xff8c00ff,
        "darkorchid" => 0x9932ccff,
        "darkred" => 0x8b0000ff,
        "darksalmon" => 0xe9967aff,
        "darkseagreen" => 0x8fbc8fff,
        "darkslateblue" => 0x483d8bff,
        "darkslategray" => 0x2f4f4fff,
        "darkslategrey" => 0x2f4f4fff,
        "darkturquoise" => 0x00ced1ff,
        "darkviolet" => 0x9400d3ff,
        "deeppink" => 0xff1493ff,
        "deepskyblue" => 0x00bfffff,
        "dimgray" => 0x696969ff,
        "dimgrey" => 0x696969ff,
        "dodgerblue" => 0x1e90ffff,
        "firebrick" => 0xb22222ff,
        "floralwhite" => 0xfffaf0ff,
        "forestgreen" => 0x228b22ff,
        "fuchsia" => 0xff00ffff,
        "gainsboro" => 0xdcdcdcff,
        "ghostwhite" => 0xf8f8ffff,
        "gold" => 0xffd700ff,
        "goldenrod" => 0xdaa520ff,
        "gray" => 0x808080ff,
        "green" => 0x008000ff,
        "greenyellow" => 0xadff2fff,
        "grey" => 0x808080ff,
        "honeydew" => 0xf0fff0ff,
        "hotpink" => 0xff69b4ff,
        "indianred" => 0xcd5c5cff,
        "indigo" => 0x4b0082ff,
        "ivory" => 0xfffff0ff,
        "khaki" => 0xf0e68cff,
        "lavender" => 0xe6e6faff,
        "lavenderblush" => 0xfff0f5ff,
        "lawngreen" => 0x7cfc00ff,
        "lemonchiffon" => 0xfffacdff,
        "lightblue" => 0xadd8e6ff,
        "lightcoral" => 0xf08080ff,
        "lightcyan" => 0xe0ffffff,
        "lightgoldenrodyellow" => 0xfafad2ff,
        "lightgray" => 0xd3d3d3ff,
        "lightgreen" => 0x90ee90ff,
        "lightgrey" => 0xd3d3d3ff,
        "lightpink" => 0xffb6c1ff,
        "lightsalmon" => 0xffa07aff,
        "lightseagreen" => 0x20b2aaff,
        "lightskyblue" => 0x87cefaff,
        "lightslategray" => 0x778899ff,
        "lightslategrey" => 0x778899ff,
        "lightsteelblue" => 0xb0c4deff,
        "lightyellow" => 0xffffe0ff,
        "lime" => 0x00ff00ff,
        "limegreen" => 0x32cd32ff,
        "linen" => 0xfaf0e6ff,
        "magenta" => 0xff00ffff,
        "maroon" => 0x800000ff,
        "mediumaquamarine" => 0x66cdaaff,
        "mediumblue" => 0x0000cdff,
        "mediumorchid" => 0xba55d3ff,
        "mediumpurple" => 0x9370dbff,
        "mediumseagreen" => 0x3cb371ff,
        "mediumslateblue" => 0x7b68eeff,
        "mediumspringgreen" => 0x00fa9aff,
        "mediumturquoise" => 0x48d1ccff,
        "mediumvioletred" => 0xc71585ff,
        "midnightblue" => 0x191970ff,
        "mintcream" => 0xf5fffaff,
        "mistyrose" => 0xffe4e1ff,
        "moccasin" => 0xffe4b5ff,
        "navajowhite" => 0xffdeadff,
        "navy" => 0x000080ff,
        "oldlace" => 0xfdf5e6ff,
        "olive" => 0x808000ff,
        "olivedrab" => 0x6b8e23ff,
        "orange" => 0xffa500ff,
        "orangered" => 0xff4500ff,
        "orchid" => 0xda70d6ff,
        "palegoldenrod" => 0xeee8aaff,
        "palegreen" => 0x98fb98ff,
        "paleturquoise" => 0xafeeeeff,
        "palevioletred" => 0xdb7093ff,
        "papayawhip" => 0xffefd5ff,
        "peachpuff" => 0xffdab9ff,
        "peru" => 0xcd853fff,
        "pink" => 0xffc0cbff,
        "plum" => 0xdda0ddff,
        "powderblue" => 0xb0e0e6ff,
        "purple" => 0x800080ff,
        "rebeccapurple" => 0x663399ff,
        "red" => 0xff0000ff,
        "rosybrown" => 0xbc8f8fff,
        "royalblue" => 0x4169e1ff,
        "saddlebrown" => 0x8b4513ff,
        "salmon" => 0xfa8072ff,
        "sandybrown" => 0xf4a460ff,
        "seagreen" => 0x2e8b57ff,
        "seashell" => 0xfff5eeff,
        "sienna" => 0xa0522dff,
        "silver" => 0xc0c0c0ff,
        "skyblue" => 0x87ceebff,
        "slateblue" => 0x6a5acdff,
        "slategray" => 0x708090ff,
        "slategrey" => 0x708090ff,
        "snow" => 0xfffafaff,
        "springgreen" => 0x00ff7fff,
        "steelblue" => 0x4682b4ff,
        "tan" => 0xd2b48cff,
        "teal" => 0x008080ff,
        "thistle" => 0xd8bfd8ff,
        "tomato" => 0xff6347ff,
        "turquoise" => 0x40e0d0ff,
        "violet" => 0xee82eeff,
        "wheat" => 0xf5deb3ff,
        "white" => 0xffffffff,
        "whitesmoke" => 0xf5f5f5ff,
        "yellow" => 0xffff00ff,
        "yellowgreen" => 0x9acd32,
        _ => return None,
    };
    Some(value.to_be_bytes())
}