A brand's colour palette is one of its most powerful identity assets — and extracting that palette from an image is far faster than picking colours manually. Whether you are matching a client's existing brand colours, building a theme from a photography style, or just analysing what makes a design work, an image colour palette extractor gives you the exact hex and RGB values in seconds.
What does a colour palette extractor do?
A colour palette extractor analyses every pixel in an image and groups similar colours together using clustering algorithms (commonly k-means clustering). It returns the most dominant and distinctive colours in the image — typically 5–10 representative swatches — along with their exact colour codes in formats you can use directly in design tools or CSS.
This is different from just sampling a single pixel — it finds colours that genuinely represent the image's visual character, balancing dominance (how much of the image uses that colour) and distinctiveness (how different it is from the other palette colours).
Common use cases
- Brand colour extraction — Upload a logo or brand photograph to immediately get the exact colour codes, saving time asking clients for brand guidelines.
- Website and app theming — Extract a palette from a hero image to build a colour system that is visually harmonious with your imagery.
- Design inspiration — Analyse colour palettes from photographs, artwork, or competitor websites to understand what makes them work.
- Social media consistency — Extract the palette from your brand's photography to maintain colour consistency across all content.
- Interior design and decoration — Match paint colours or fabric choices to a reference photo by extracting its dominant colours.
- Data visualisation — Build chart colour schemes that match the brand or context of the document they appear in.
Step-by-step: extracting a palette with ToolsGravity
- Open the Color Palette Extractor and upload your image. Almost any image format works — JPG, PNG, WebP.
- Choose the number of colours you want to extract (typically 5–10 is most useful).
- The tool analyses the image and returns colour swatches alongside their hex codes and RGB values.
- Click on any swatch to copy the hex code directly. Some tools also provide HSL and CSS variable outputs.
- Use the extracted palette in your design tool, CSS file, or colour system. If you need to convert formats (e.g. hex to HSL or CMYK), the Color Picker & Converter handles all format conversions.
Choosing the right number of palette colours
| Number of colours | Best for |
|---|
| 3–4 | Simple brand palettes, minimalist design |
| 5–6 | Standard brand colour system (primary, secondary, accents) |
| 8–10 | Rich photography analysis, data visualisation schemes |
| 10+ | Detailed artistic analysis, illustration colour study |
Tips for the best palette extraction results
- Use a representative image. A single product photo may not capture all brand colours. Use a composite image or brand overview shot for more complete palette extraction.
- High-resolution images give better results. More pixels means more colour data for the clustering algorithm to work with.
- Crop out irrelevant areas. If an image has a large plain white or black background, crop it before extracting — otherwise white or black will dominate the palette unnecessarily.
- Extract and then adjust. The extracted palette is a starting point. Adjust individual swatches for accessibility contrast ratios before using them in UI.
- Check against the CSS Gradient Generator. Once you have your palette, the CSS Gradient Generator lets you build gradient backgrounds from those exact colours.
Summary
Extracting a colour palette from an image takes seconds with ToolsGravity's Colour Palette Extractor and produces accurate hex and RGB values you can immediately use in design tools or CSS. Use it to match brand colours, build cohesive website themes, or analyse the colour language of images that inspire you. Always review extracted colours for accessibility before using them in UI design.