Colour wheel calendar

Colour contraster

Very nice tool which lets you compare foreground and background colours and even gives you the thumbs-up if the contrast is sufficient: Accessibility [...]

Reinventing the wheel

Unplugged

Colour IQ

Kuler Colour Picker

Pretty cool app from Adobe for coming with slick colour combinations. [...]

colour contraster

very useful accessibility tool for web developers to check if their colour combinations have a suitable monochromatic contract. [...]

Five Simple Steps to designing with colour part 3: Colour combinations

Mark Boulton delivers some tips on designing with colour. [...]

Colour palette inspiration

Colour picker

Nice colour picker at Well Styled. [...]

Colour charts

Very nifty Flash colour chart at kohai style. [...]

colr.org

Colr.org is a pretty cool little application to help you devise colour schemes. I particularly like the idea behind pointing to an image somewhere onl [...]