How to Generate Color Codes Online

Pick any color and get its HEX, RGB, HSL, and CMYK codes instantly. Free online color code generator with palette suggestions and accessibility contrast checking.

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Step-by-Step Guide

1

Pick a color

Use the visual color picker to select your desired color, or enter an existing color code in any format (HEX, RGB, HSL). The tool accepts inputs like #FF5733, rgb(255, 87, 51), or hsl(14, 100%, 60%).

2

Get all color formats

Instantly see your color represented in HEX, RGB, RGBA, HSL, HSLA, and CMYK formats. Each format is displayed with a copy button so you can grab exactly the code you need for CSS, design tools, or print work.

3

Check contrast ratio

View the contrast ratio against white and black backgrounds to ensure your color meets WCAG accessibility guidelines. A ratio of 4.5:1 or higher is recommended for normal text, 3:1 for large text.

4

Explore related colors

Browse complementary, analogous, triadic, and split-complementary color suggestions. Copy any palette color with one click and use it in your design system or CSS variables.

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Frequently Asked Questions

What is the difference between HEX and RGB?
HEX (#FF5733) and RGB (255, 87, 51) represent the same color — HEX uses hexadecimal notation while RGB uses decimal values for Red, Green, Blue channels. HEX is more common in CSS, while RGB is used in design tools and JavaScript.
How do I find a color code from a website?
Use your browser DevTools (F12 → Inspect Element) to find CSS color values. Then paste the code into this tool to convert between formats or find related colors.
What color format should I use in CSS?
HEX (#FF5733) is the most compact. RGB/RGBA is best when you need transparency. HSL is most intuitive for adjusting brightness and saturation programmatically. Modern CSS supports all three.
Related Reference

CSS Flexbox Cheat Sheet

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