HEX Color Picker & HTML Color Code Finder
Choose any color from the palette to instantly generate HEX, RGB, RGBA, and HSLA color codes.
With a single click, you can copy the values to your clipboard and paste them directly into CSS, design software, or web development projects.
The transparency slider lets you fine-tune RGBA values with precision, all directly in your browser without installing additional software.
If you need to extract colors from a photo or logo, you can also use the Image Color Extractor.
Free developer tools such as Base64 Encoding and URL Encoding are also available.
Description:
- Move the first slider left or right to choose your desired color.
- Use the second slider to freely adjust transparency (Alpha).
- Click the arrow in the color code area to switch between HEX, RGBA, and other formats.
- Click the copy icon to instantly save the selected color code to your clipboard.
How to Use a HEX Color Picker — From Choosing Colors to Copying Codes
This online HEX Color Picker works instantly in your browser with no installation required.
Click anywhere on the color palette or enter a HEX code manually to select precise colors for your project.
Use the built-in alpha transparency slider to adjust opacity and update RGBA or HSLA values in real time.
Generated color codes can be copied with a single click and pasted directly into CSS files, Figma, Adobe XD, VS Code, and other design or development tools.
Pair it with the Image Color Picker to create a faster and more efficient color workflow for design and frontend development.
Complete CSS Color Code Guide for Designers & Developers
CSS colors are commonly represented using HEX, RGB, RGBA, HSL, and HSLA formats.
HEX codes use the #RRGGBB format and remain the most widely used option, while RGBA supports transparency for layered UI and modern web design.
HSL and HSLA make it easier to control hue, saturation, and lightness, making them ideal for color themes and design systems.
This tool instantly converts between all major color formats so you can apply accurate color values across any platform or workflow.
How to Keep Brand Colors Consistent Across Every Platform
Consistent color usage is an essential part of strong brand identity and helps improve recognition, trust, and visual consistency across all channels.
Because logos, websites, printed materials, and advertising assets often use different color formats, accurate HEX ↔ RGB ↔ CMYK conversion is critical.
With this color code converter, you can easily manage HEX and RGB values for digital screens as well as CMYK values for print production.
It’s a practical tool worth bookmarking for designers, marketers, and branding teams.
How to Extract HEX Color Codes from Images
Want to capture colors directly from inspiration images or reference photos? Use the Image Color Picker.
Simply upload an image and click any pixel to instantly view its HEX and RGB color codes.
It’s useful for identifying logo colors, analyzing competitor website palettes, and creating color schemes from photos.
After extracting colors, you can instantly convert RGB to HEX on this page and apply the values directly to your CSS projects.
Choosing Accessible Color Contrast for Better Web Accessibility
According to WCAG accessibility guidelines, the contrast ratio between text and background colors should be at least 4.5:1 to ensure readable content.
When choosing color combinations, the basic principle is to use dark text on light backgrounds and light text on dark backgrounds.
With the HEX Color Picker, you can preview colors in real time, compare contrast visually, and calculate contrast ratios using RGB values to create a more accessible and user-friendly UI.
Before finalizing a color palette or design system, always make contrast checking part of your workflow.
Frequently Asked Questions
HEX color codes are the standard format used to represent colors in web and app development, written as a 6-digit hexadecimal value in the form #RRGGBB.
For example, #FF0000 represents red, #00FF00 represents green, and #0000FF represents blue.
The first two characters control red intensity, the middle two control green, and the final two control blue using hexadecimal values from 00 to FF.
If transparency is needed, you can use 8-digit HEX values in the #RRGGBBAA format or convert the color into RGBA format for use in CSS.
Each color format is designed for different use cases in web, UI, and print design.
- HEX: Uses the
#RRGGBBformat and remains the most widely used standard in CSS and HTML. - RGB: Written as
rgb(255, 0, 0), using separate red, green, and blue values from 0 to 255. - RGBA: Written as
rgba(255, 0, 0, 0.5), adding an alpha transparency value to RGB. - HSLA: Written as
hsla(0, 100%, 50%, 1), using hue, saturation, lightness, and alpha for more intuitive color adjustments. - CMYK: Written as
cmyk(0%, 100%, 100%, 0%), using cyan, magenta, yellow, and black ink percentages mainly for print design.
This HEX Color Picker instantly converts between all major color formats in real time.
CMYK is commonly used for printing and professional production workflows.
Yes, you can use it instantly in your browser with no installation or account registration required.
It works on PCs, tablets, and smartphones, and fully supports major browsers including Chrome, Safari, Firefox, and Edge.
All Vivoldi online tools are available completely free of charge.
After selecting a color, click the copy icon () next to the code field to instantly save the selected color code to your clipboard.
The copied value can be pasted directly into CSS files, Figma, VS Code, Adobe XD, and other design or development tools using Ctrl+V (Mac: Cmd+V).
You can copy HEX, RGB, RGBA, and HSLA values individually in each format.
To extract colors directly from image files, use Vivoldi’s Image Color Picker.
Simply upload an image and click any pixel to instantly view its HEX and RGB color codes.
It’s useful for identifying logo colors, creating photo-based palettes, and analyzing competitor brand colors or website themes.
Yes, this tool supports full conversion between HEX, RGB, RGBA, HSLA, and CMYK color formats.
In addition to HEX, RGB, RGBA, and HSLA for web and UI design, you can also convert colors into CMYK values for print production in real time.
After selecting a color, copy any format with a single click and use it directly in CSS, Figma, Illustrator, InDesign, and other design or development tools.