The URL says it all

pure Black Black to shades of Blue Black to shades of Cyan Black to shades of Green Black to shades of Grey Black to shades of Lime Black to shades of Magenta Black to shades of Orange Black to shades of Pink Black to shades of Red Black to shades of Turquoise Black to shades of Violet Black to White (Black&White/Greyscale) Black to shades of Yellow

shades of Blue to shades of Blue shades of Blue to shades of Cyan shades of Blue to shades of Green shades of Blue to shades of Lime shades of Blue to shades of Magenta shades of Blue to shades of Orange shades of Blue to shades of Pink shades of Blue to shades of Red shades of Blue to shades of Turquoise shades of Blue to shades of Violet shades of Blue to White shades of Blue to shades of Yellow

shades of Cyan to shades of Cyan shades of Cyan to shades of Green shades of Cyan to shades of Grey shades of Cyan to shades of Lime shades of Cyan to shades of Magenta shades of Cyan to shades of Orange shades of Cyan to shades of Pink shades of Cyan to shades of Red shades of Cyan to shades of Turquoise shades of Cyan to shades of Violet shades of Cyan to White shades of Cyan to shades of Yellow

shades of Green to shades of Green shades of Green to shades of Grey shades of Green to shades of Lime shades of Green to  shades of Magenta shades of Green to shades of Orange shades of Green to shades of Pink shades of Green to shades of Red shades of Green to shades of Turquoise shades of Green to shades of Violet shades of Green to White shades of Green to shades of Yellow

shades of Grey to shades of Grey shades of Grey to shades of Lime shades of Grey to shades of Magenta shades of Grey to shades of Orange shades of Grey to shades of Pink shades of Grey to shades of Red shades of Grey to shades of Turquoise shades of Grey to shades of Violet shades of Grey to White shades of Grey to shades of Yellow

shades of Lime to shades of Lime shades of Lime to shades of Magenta shades of Lime to shades of Orange shades of Lime to shades of Pink shades of Lime to shades of Red shades of Lime to shades of Turquoise shades of Lime to shades of Violet shades of Lime to White shades of Lime to shades of Yellow

shades of Magenta to shades of Magenta shades of Magenta to shades of Orange shades of Magenta to shades of Pink shades of Magenta to shades of Red shades of Magenta to shades of Turquoise shades of Magenta to shades of Violet shades of Magenta to White shades of Magenta to shades of Yellow

shades of Orange to shades of Orange shades of Orange to shades of Pink shades of Orange to shades of Red shades of Orange to shades of Turquoise shades of Orange to shades of Violet shades of Orange to White shades of Orange to shades of Yellow

shades of Pink to shades of Pink shades of Pink to shades of Red shades of Pink to shades of Turquoise shades of Pink to shades of Violet shades of Pink to White shades of Pink to shades of Yellow

shades of Red to shades of Red shades of Red to shades of Turquoise shades of Red to shades of Violet shades of Red to White shades of Red to shades of Yellow

shades of Turquoise to shades of Turquoise shades of Turquoise to shades of Violet shades of Turquoise to White shades of Turquoise to shades of Yellow

shades of Violet to shades of Violet shades of Violet to White shades of Violet to shades of Yellow

pure White White to shades of Yellow

This list contains all colours in the lower right. For other options check out the index

RED

Pure Red #FF0000 Mostly Pure Red #FF0033 #FF3300 Vivid Red #FF3333 #FF3366 #FF6633 Strong Red #CC0000 Boston University #CC0033 #CC3300 #CC3333 Persian Red Light Red #FF6666 Very Light Red #FF9999 Light Salmon Pink Very Pale Red #FFCCCC Slightly Desaturated Red #CC9999 Very Dark Desaturated Red #663333 Moderate Red #CC6666 Fuzzy Wuzzy Dark Moderate Red #993333 Dark Red #990000 Crimson / Stizza / USC Cardinal Very Dark Red #330000 #660000 Mostly Desaturated Dark Red #996666 Copper Rose

ORANGE

Mostly Pure Orange #FF6600 #FF9900 Vivid Orange #FF9933 Deep Saffron Strong Orange #CC6600 #CC6633 #CC9933 Light Orange #FF9966 Atomic Tangerine #FFCC66 Very Light Orange #FFCC99 Moderate Orange #CC9966 Dark Moderate Orange #996633 Dark Orange #993300 #996600 Very Dark Orange #663300

YELLOW

Pure Yellow #FFFF00 Mostly Pure Yellow #CCFF00 Electric Lime/ Fluorescent Yellow #FFCC00 Vivid Yellow #FFCC33 #FFFF33 Strong Yellow #CC9900 #CCCC00 #CCCC33 Light Yellow #FFFF66 Very Light Yellow #FFFF99 Very Pale Yellow #FFFFCC Slightly Desaturated Yellow #CCCC99 Very Dark Desaturated Yellow #666633 Moderate Yellow #CCCC66 Dark Moderate Yellow #999933 Dark Yellow #999900 Very Dark Yellow #333300 #666600 Mostly Desaturated Dark Yellow #999966

LIME 

Pure Lime #00FF00 Electric Green Mostly Pure Lime #00FF33 #33FF00 Vivid Lime #33FF33 Strong Lime  #00CC00 #33CC33 Light Lime #66FF66 Very Light Lime #99FF99 Very Pale Lime #CCFFCC Slightly Desaturated Lime #99CC99 Very Dark Desaturated Lime #336633 Moderate Lime #66CC66 Dark Moderate Lime #339933 Dark Lime  #009900 Very Dark Lime #003300 #006600 Pakistan Green Mostly Desaturated Dark Lime #669966

GREEN

Mostly Pure Green #66FF00 Bright Green #99FF00 Bright Green Vivid Green #66FF33 #99FF33 #CCFF33 Strong Green #33CC00 #66CC00 #66CC33 #99CC00 #99CC33 Light Green #99FF66 #CCFF66 Very Light Green #CCFF99 Moderate Green #99CC66 Dark Moderate Green #669933 Dark Green #339900 #669900 Very Dark Green #336600

TURQUOISE

Mostly Pure Turquoise #00FF66 #00FF99 Vivid Turquoise #33FF66 #33FF99 Strong Turquoise #00CC33 #00CC66 #33CC66 #33CC99 Light Turquoise #66FF99 #66FFCC Very Light Turquoise #99FFCC Moderate Turquoise #66CC99 Dark Moderate Turquoise #339966 Dark Turquoise #009933 #009966 Very Dark Turquoise #006633

CYAN

Pure Cyan #00FFFF Aqua/ Electric Cyan/ Waterspout Mostly Pure Cyan #00CCFF #00FFCC Vivid Cyan #33FFCC #33FFFF Strong Cyan #00CC99 Caribbean Green #00CCCC #33CCCC Light Cyan #66FFFF Very Light Cyan #99FFFF Very Pale Cyan #CCFFFF Slightly Desaturated Cyan #99CCCC Very Dark Desaturated Cyan #336666 Moderate Cyan #66CCCC Dark Moderate Cyan #339999 Dark Cyan #009999 Very Dark Cyan #003333 #006666 Mostly Desaturated Dark Cyan #669999

BLUE

Pure Blue #0000FF Mostly Pure Blue #0033FF #0066FF #0099FF #3300FF Vivid Blue #3333FF #3366FF #3399FF #33CCFF #6633FF Strong Blue #0000CC #0033CC #0066CC #0099CC #3300CC #3333CC #3366CC #3399CC Light Blue #6666FF #6699FF #66CCFF Very Light Blue #9999FF #99CCFF Very Pale Blue #CCCCFF Lavender/ Periwinkle Slightly Desaturated Blue #9999CC Very Dark Desaturated Blue #333366 Moderate blue #6666CC #6699CC Blue Grey Dark Moderate Blue #333399 #336699 Dark Blue #000099 #003399 #006699 Very Dark Blue #000033 #000066 #003366 Dark Midnight Blue Mostly Desaturated Dark Blue #666699

VIOLET

Mostly Pure Violet #6600FF #9900FF Vivid Violet #9933FF Strong Violet #6600CC #6633CC #9933CC Light Violet #9966FF #CC66FF Very Light Violet #CC99FF Moderate Violet #9966CC Amethyst Dark Moderate Violet #663399 Dark Violet #330099 Very Dark Violet #330066 #660099

PINK

Mostly Pure Pink #FF0066 #FF0099 Vivid Pink #FF3399 #FF33CC Razzle Dazzle Rose Strong Pink #CC0066 #CC0099 #CC3366 #CC3399 Light Pink #FF6699 #FF66CC Rose Pink Very Light Pink #FF99CC Moderate Pink #CC6699 Dark Moderate Pink #993366 Dark Pink #990033 #990066 Very Dark Pink #660033

MAGENTA

Pure Magenta #FF00FF Famous/ Fuchsia Mostly Pure Magenta #CC00FF #FF00CC Vivid Magenta #CC33FF #FF33FF Strong Magenta #9900CC #CC00CC Deep Magenta #CC33CC Light Magenta #FF66FF Very Light Magenta #FF99FF Very Pale Magenta #FFCCFF Slightly Desaturated Magenta #CC99CC Very Dark Desaturated Magenta #663366 Moderate Magenta #CC66CC Dark Moderate Magenta #993399 Dark Magenta #990099 Very Dark Magenta #330033 #660066 Mostly Desaturated Dark Magenta #996699

WHITE

#FFFFFF

GREY

Light Grey #CCCCCC Dark Grey #999999 Very Dark Grey #333333 #666666

BLACK