Dunno if this helps, but IMO...
Nowadays, anything goes; There's no rules. Like, you don't have to be of "warm" skin tone to wear "warm" colors, etc. Just make sure it's not too shiny/shimmery or shocking for day-time use. At night, or in the absence of bright sunlight, you can don't have to worry so much about toning everything down.
You can always go to a department store such as Nordstroms and get ideas and advice from the make-up counter (like MAC, stila, Smashbox, Dior... for "younger" colors). I'd get a make-over, too; there, you can sample some of the spring/summer pastel color palettes that various brands have to offer.
Go to websites of cosmetics brands; some have step by step how-to sections on application. (for example:
http://dior.com/pcd/International/JSP/Library/Nav/g1_nav_flash_1024.jsp?pTPL=831&pON=MAK
Tips from Francois Nars's book, 'Make Up Your Face' follows...
"....Using pastels automatically brings softness and a fresh, sweet quality to your face and features.... Because they're so simple to apply, pastels blend easily on any skin tone. You can apply them with your fingers, and their softness makes it hard to over do it; you wouldn't think to use pastels for sculpting or defining because they're so pale.... they're so feminine and unaggresive, and make you feel young [on older women]....
Pastels have a wider range of hue than you might think: apricot, straw yellow, muted gray, peach, lavender, lilac, baby blue, pale turquoise, pink, light green, and soft orange.... Any color works on eyes... in any season, as long as you like them.... Pastels can still give you a dramatic look: Add lots of dark mascara for contrast, like Twiggy did."
) So, if you could suggest some brands, colors or just tell me "STOP!" 
that'd be great. Thanks!
