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contrast checker

Color

Check your color's contrast for best visibility. Primarily used for text readability (foreground and background).

adobe kuler

Color

Create color schemes with the color wheel or browse thousands of color combinations from the Kuler community.

composition adjuster

Layout

Check your composition using the Golden Mean, Golden Spiral, or Golden Triangle. 

canva

Layout

Canva makes design simple for everyone. Create designs for Web or print: blog graphics, presentations, Facebook covers, flyers, posters, invitations and more!