Random Palette Generator for Instant HEX & RGB Color Combos
Choose a color count, generate a new palette, and copy HEX or RGB values directly from the cards.
No palette yet.
Press the button or Space to start.
History (0/50)
Quick guide
- GenerateButton or Space key
- Copy colorClick the card or press Enter
- ShareColors are embedded in the URL
- SaveBrowser local history
ready to use.
- Visible firstKeep the input and result positions clear.
- Results firstPut the main number up front and keep the process secondary.
- Less to askNo sign-up or extra information before using the tool.
Random palette guide
The Random Palette Generator picks a color count and fills each slot with an independent random RGB value. Every result card shows a web-ready HEX code alongside its RGB equivalent, and you can copy a single swatch, share the whole palette via URL, or browse through your history to revisit earlier combinations.
No color-theory correction is applied. Each color is built by drawing an independent random value for the red, green, and blue channels and converting the result into HEX and RGB notation.
What a color palette is and why generate one randomly
A color palette is a set of colors chosen to work together in a single project. Design systems define a primary, secondary, background, and accent color, then apply them consistently across every screen. Working without a palette leads to inconsistent tones that cost more time to unify later.
Random generation deliberately produces unpredictable combinations. Choosing within color-wheel rules tends to keep results inside familiar territory, while random values surface colors you would not normally consider. That makes random palettes useful for early ideation and mood exploration where variety matters more than harmony.
- A palette groups colors that share a project's visual tone
- Random combos push past familiar selections
- Suited to early-stage exploration and mood discovery
- A second pass for brightness and saturation adjustments is expected
HEX format: what #RRGGBB means
A HEX color code is a six-digit hexadecimal number preceded by a hash sign. The first two digits represent red, the middle two green, and the last two blue, each ranging from 00 to FF. For example, #FF0000 sets red to maximum while green and blue are zero, producing pure red.
Each hex digit has 16 possible values (0–9 and A–F). Two digits per channel give 16 × 16 = 256 levels. Combining three channels yields roughly 16.77 million distinct colors. The same notation is read identically by CSS, HTML, and every mainstream design tool.
- Each pair of digits in #RRGGBB maps to one channel
- 00 means the channel is off; FF is full intensity
- 256 levels per channel, about 16.77 million colors total
- Interpreted the same way in CSS, HTML, Figma, and more
RGB format: Red, Green, Blue 0–255 and how it maps to HEX
RGB expresses each of the three light primaries—Red, Green, Blue—as a decimal integer from 0 to 255. rgb(255, 0, 0) equals #FF0000, and rgb(0, 128, 255) equals #0080FF. Where HEX writes one continuous string, RGB separates the three values with commas.
Conversion is straightforward: turn each two-digit HEX pair into its decimal equivalent. FF becomes 255, 80 becomes 128, 00 becomes 0. This tool displays both notations side by side, so you never need to convert manually.
- RGB states each channel as a 0–255 decimal
- Convert two HEX digits to decimal to get the RGB value
- FF = 255, 80 = 128, 00 = 0
- Both notations appear on every result card
Screen walkthrough: from generation to code copying
Start by picking a color count from the dropdown at the top. The default is five; the range is three to fifteen. Click "Generate Palette" next to the dropdown and that many swatch cards appear immediately. Keyboard users can press Space for the same action.
Each card shows a color preview, its HEX code, and its RGB value. Click any card to copy the HEX code to the system clipboard—a toast notification confirms the copy. If you like the result, use the Share or Copy URL button to send the palette to someone else.
- Select a color count from the dropdown (3–15, default 5)
- Click the button or press Space to generate
- Click a card to copy its HEX code to the clipboard
- Share or Copy URL to send the palette
Color count: when to use 3 versus 15
A three-to-five-color palette is enough when you need a primary, a secondary, and an accent quickly. Landing-page tones, icon sets, and simple UI themes sit comfortably in that range. Fewer colors are easier to compare at a glance and help you decide faster.
Ten or more colors serve as a starting point for dashboards, data visualizations, or illustrations that require many distinct hues. The trade-off is that more colors raise the probability of near-duplicate tones, so a post-generation pass to remove collisions or adjust lightness is the usual next step.
- 3–5 colors: quick tone decisions for basic UI
- 6–9 colors: mid-scale layouts and presentations
- 10–15 colors: data visualization and multi-hue illustrations
- More colors means more overlap to review afterward
Copy workflow: card to clipboard to CSS or Figma
Clicking anywhere on a card copies that swatch's HEX code to the system clipboard. Keyboard users can focus a card and press Enter for the same result. A toast message appears immediately so you know which color was copied.
Paste the code directly into a CSS color or background property, Figma's color input field, or PowerPoint's custom-color dialog. If you need the RGB values instead, read them from the card and type them in—no conversion math required.
- Click or press Enter to copy HEX
- Toast notification confirms the copy
- Paste straight into CSS, Figma, or PowerPoint
- RGB values are visible on the card for manual entry
URL sharing: how colors are encoded in the address
Generating a palette writes the current color set into the URL parameters automatically. Copy that URL and send it through a messenger or email—the recipient opens the same palette without any login or saved state on a server. The address itself carries the palette.
The Copy URL button puts the current address on the clipboard. The Share button opens the system share sheet on browsers that support the Web Share API. On desktop browsers where Web Share is unavailable, the action falls back to copying the URL.
- Color codes are stored in URL parameters
- A single link reproduces the exact palette
- Copy URL: address goes to the clipboard
- Share button: opens the system share sheet when available
History: palettes stored in the browser
Every generated palette is saved automatically in the browser's localStorage. The record survives page reloads and browser restarts. Up to 50 entries are kept; once the limit is reached, the oldest entry is removed automatically.
Click a card in the history section to bring that palette back onto the main display. The Clear All button wipes every entry at once. Because localStorage is tied to a specific browser and device, history does not travel to other browsers or machines.
- Auto-saved in localStorage, persists across reloads
- 50-entry cap; oldest removed when full
- Click a history card to restore the palette
- Not shared across browsers or devices
Random generation versus harmonious color schemes
This tool generates each color by drawing independent random values for R, G, and B. It does not calculate complementary, analogous, triadic, or any other color-wheel relationship, so visual harmony is not guaranteed. If you need a coordinated scheme, a color-theory tool is more appropriate.
The flip side is that freedom from color theory can be an advantage. Completely unpredictable combinations occasionally reveal directions you would not explore on your own. Picking one or two favorites and fine-tuning their lightness or saturation often produces a wider range of ideas than staying inside the rules from the start. A two-phase approach—random for exploration, theory-based for refinement—is a common workflow.
- Each channel is an independent random value; no wheel relationships
- Use a theory-based tool when complementary or analogous palettes are needed
- Unpredictable combos can reveal unexpected directions
- Explore randomly first, refine with theory afterward
Checking color accessibility: contrast and color-vision deficiency
WCAG 2.2 recommends a minimum luminance contrast ratio of 4.5 : 1 for normal text and 3 : 1 for large text. Randomly selected colors applied directly as background and text may fall short of these thresholds. Always run a contrast checker after generating a palette you plan to use.
For users with color-vision deficiency, red-green pairings that look distinct to most people can become indistinguishable. Running a color-blindness simulator before finalizing a palette helps you plan designs that do not rely on color alone. Pairing colors with icons, patterns, or labels improves accessibility across the board.
- WCAG 2.2 contrast minimums: 4.5 : 1 normal text, 3 : 1 large text
- Random colors can produce insufficient contrast
- Color-blindness simulator recommended before finalizing
- Combine color with icons, patterns, or labels for accessibility
Use cases: web design, presentations, brainstorming
At the start of a web project, when no brand colors exist yet, spinning random palettes is a fast way to explore moods. Once a combination feels right, drop the HEX codes into CSS custom properties, preview the result, and tweak until the palette is confirmed. This cuts down the color-decision phase of prototyping.
Presentation slide charts, section dividers, and infographic accents all need distinguishable hues—a random palette provides candidates in seconds. Game designers use it to experiment with character and environment palettes, and illustrators collect mood-board swatches from it. Whatever the medium, verify contrast and coherence before the final deliverable.
- Web design: drop HEX codes into CSS custom properties
- Presentations: pick chart and divider colors quickly
- Games and illustration: experiment with character and background palettes
- Always verify contrast and coherence before shipping
Frequently asked questions
QWhat range of color counts is available?
You can choose from 3 to 15. Three is good for picking core colors quickly; fifteen suits multi-hue compositions.
QWhat gets copied when I click a card?
The six-digit HEX code of that swatch (e.g. #3A7BFC) is placed on the system clipboard, ready to paste into CSS or a design tool.
QWill the other person see the same palette from a shared URL?
Yes. The color data is embedded in the URL parameters, so opening the link reproduces the exact same palette.
QDoes history sync across devices?
No. History is stored in the browser's localStorage, so it is available only in the same browser on the same device.
QThe generated colors don't look like they go together.
This tool draws independent random values without applying color-theory harmony. For complementary or analogous schemes, use a color-wheel-based tool alongside this one.
QDoes it automatically check WCAG contrast?
There is no built-in contrast check at this time. After selecting a palette, verify contrast ratios with a dedicated accessibility checker.
QWhat does the Space key do?
When keyboard focus is on the page, pressing Space generates a new palette—useful for cycling through options without reaching for the mouse.
References
Checked 2026-08-19. Color code definitions and notation follow W3C specifications.