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You can try them out on any browser and see the effect of changing from 16 to 256 to 32K to 16M colour depths on screen.
You can also try changing the background colour, relative to the displayed foreground colours. You can use the hexadecimal code "#RrGgBb" or try bgcolor="something from the list".
To open the source in Oregano, press F8. For other browsers, see appropriate instructions.
Known colours:
aliceblue | antiquewhite | aqua | aquamarine | azure |
beige | bisque | black | blanchedalmond | blue |
blueviolet | brown | burlywood | cadetblue | chartreuse |
chocolate | coral | cornflowerblue | cornsilk | crimson |
cyan | darkblue | darkcyan | darkgoldenrod | darkgray |
darkgreen | darkkhaki | darkmagenta | darkolivegreen | darkorange |
darkorchid | darkred | darksalmon | darkseagreen | darkslateblue |
darkslategray | darkturquoise | darkviolet | deeppink | deepskyblue |
dimgray | dodgerblue | firebrick | floralwhite | forestgreen |
fuchsia | gainsboro | ghostwhite | gold | goldenrod |
gray | green | greenyellow | honeydew | hotpink |
indianred | indigo | ivory | khaki | lavender |
lavenderblush | lawngreen | lemonchiffon | lightblue | lightcoral |
lightcyan | lightgoldenrodyellow | lightgreen | lightgrey | lightpink |
lightsalmon | lightseagreen | lightskyblue | lightslategray | lightsteelblue |
lightyellow | lime | limegreen | linen | magenta |
maroon | mediumaquamarine | mediumblue | mediumorchid | mediumpurple |
mediumseagreen | mediumslateblue | mediumspringgreen | mediumturquoise | mediumvioletred |
midnightblue | mintcream | mistyrose | moccasin | navajowhite |
navy | oldlace | olive | olivedrab | orange |
orangered | orchid | palegoldenrod | palegreen | paleturquoise |
palevioletred | papayawhip | peachpuff | peru | pink |
plumpowderblue | purple | red | rosybrown | royalblue |
saddlebrown | salmon | sandybrown | seagreen | seashell |
sienna | silver | skyblue | slateblue | slategray |
snow | springgreen | steelblue | tan | teal |
thistle | tomato | turquoise | violet | wheat |
white | whitesmoke | yellow | yellowgreen |
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