1. Toys Anssi Koskinen (CC BY http://2.0) / Via Flickr: ansik To own plastic blocks is to lose plastic blocks, and to find them again with your bare feet — ouch! Spare yourself the pain by separating the guys by color. It'll not only look nicer and be better organized, but it's easier to build things in the first place! 2. To-Dos Jem Yoshioka (CC BY-SA http://2.0) / Via Flickr: jemshed Japanese for "visual signal" or "card," Kanban is a workflow used by automobile manufacturers — and you can use it too! By color-coding sticky notes and arranging them like so, you can avoid needless distractions and focus on the tasks at hand. 3. Calendar Apps BuzzFeed Whether it's to reserve a conference room or plan a birthday party, you probably use an app like Google Calendar on a regular basis. Next time events start to pile up, stay on top of things by color-coding recurring events for a schedule worth admiring! 4. Swing-top Bottles goldstardeputy (CC BY-SA http://2.0) / Via Flickr: goldstardeputy If your house features a high window that receives natural light, try filtering that sunlight with a collection of colorful swing-top bottles — either new or vintage. It's a creative way to add a touch of rustic charm to your mudroom or breakfast nook! 5. Flowers Barta IV (CC BY-SA http://2.0) / Via Flickr: 98640399@N08 Sometimes nature's colors are beautiful just as they are, but a little rearranging won't hurt! Create your own rainbow bouquet by either hand-picking fresh-cut flowers or color them yourself with some food coloring and a handful of carnations or roses. 6. Sewing Supplies Denise Carrasco (CC BY http://2.0) / Via Flickr: duhdenise Speaking of thread, your craft room could use a burst of color as well. Sure, your threads are probably more or less separated by color already, but if you're especially "crafty," you likely have a ton of unsorted yarn. Sort by color and weight before type. 7. Clothes Erica Joy (CC BY-SA http://2.0) / Via Flickr: ericajoy What about your other threads — the ones in your closet? There are several ways to organize a wardrobe, but sorting by color offers a few advantages. For one, you can easily spot which colors you overstock. And another thing — it just looks nice, OK? 8. Bookshelves Eccentric Scholar (CC BY http://2.0) / Via Flickr: eccentricscholar While you may have switched to e-books long ago, chances are you still have a ton of hardcovers stacked up somewhere. Transform your wall space by organizing your books into a colorful rainbow pattern. Need shelves? Find the ones pictured here. 9. Spreadsheets Ann K. Emery (CC BY http://3.0) / Via youtube.com Spreadsheets don't have to be so black and white. Give those cells some color by going into the conditional formatting option in Excel. We won't even try to make "conditional formatting" sound exciting, but this tutorial makes a valiant attempt. 10. Books Shannon O'Saurus (CC BY-ND http://2.0) / Via Flickr: colourized Ctrl+F sounds good on paper, but it doesn't work on paper. If your teen has an open book final, get them some color-coded labels to mark definitions — it's the best way to cut through the filler and find the good stuff, like the answer to question #12.