WebFX.com Color Pick
This free HTML color selector is the ultimate web design tool. You can easily generate cohesive, harmonious color schemes or you can create your own color palette from scratch by using the RGB color picker functionality and saving your preferred colors to the palette on the right-hand side of the tool. Lastly, you can type HEX color values directly into the tool, and you can manually adjust HSB and RGB values in order to fine-tune your color selection.
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