01
Choose Exact Source Colors
Begin with two colors for a basic blend. If your colors already come from CSS, a design system, screenshot, or brand guide, use their exact values so the result is easier to repeat and share.
Free Digital Color Mixing Tool
Color Mixer Online – Mix Colors & Match Any Shade
Mix HEX colors, control each color's ratio, and compare RGB, Lab, LCH, Linear RGB, and HSL in one workspace. Set a target shade when you need more precision and refine the result with live match feedback.
Up to 10 Colors
5 Mixing Modes
Target Matching
Color-Vision Preview
Color Mixing Basics
What Is a Color Mixer Online?
A color mixer online is a browser-based tool that combines two or more digital colors to calculate a new color. Instead of estimating a result by eye, you can start with exact source values, control their proportions, and inspect the resulting shade immediately.
Digital color mixing is useful for web design, UI systems, branding, illustration, data visualization, gradients, and other screen-based workflows where repeatable color values matter. FreeColorTool adds weighted ratios, several color-space options, target matching, and color-vision previews to that basic workflow.
Quick answer: choose your source colors, decide how much each one should contribute, select a mixing mode, and compare the result. If you already know the shade you need, set it as a target and refine the formula until the match improves.
Simple Workflow
How to Mix Colors Online
Start with a simple formula, understand what each adjustment changes, and add more colors only when the project actually needs them.
02
Set the Mixing Ratios
A 1:1 formula gives two sources equal influence. A 3:1 formula gives the first source three times the contribution of the second. Change one ratio at a time when you are refining a shade.
03
Compare and Refine
Review several mixing modes, inspect the output values, and set a target color if precision matters. For interface work, also check the color-vision preview and any required contrast testing.
Behind the Result
How Digital Color Mixing Actually Works
Digital colors are numerical values. The result of combining them depends on the source colors, their proportions, and the color space used to calculate the transition between them.
Digital colors are numbers
RGB describes red, green, and blue channels. HSL describes hue, saturation, and lightness. Lab and LCH organize color using different perceptual dimensions. A mixer calculates values between the selected sources, so changing the inputs, ratios, or color space can change the final result.
A midpoint is not always enough
A basic 50/50 blend is useful for a quick intermediate color, but real design work often needs more control. Weighted ratios and multiple color spaces let you compare different paths instead of assuming one midpoint is automatically the best choice.
Source A#2563EB
Source B#F97316
same colors, different calculation paths
A digital blend is not defined only by the two HEX values. The color space and interpolation method also affect the result you see.
HEX Explained
How a HEX Color Mixer Works
A HEX color mixer lets you start with exact hexadecimal values such as #2563EB, #F97316, or #FFFFFF. This is useful when your source colors already come from a website, UI kit, CSS file, or brand guide.
HEX itself is not a separate color-mixing model. A six-digit HEX code is a compact representation of RGB channel values. Those colors can then be combined or interpolated using RGB, Linear RGB, Lab, LCH, HSL, or another supported method.
This is why two tools can start with the same HEX values and still show different intermediate colors when their calculation methods differ.
HEX Input#2563EB
HEX Input#F97316
HEX identifies the colors
The selected mixing mode determines how the path between those represented colors is calculated.
Compare the Math
RGB vs Linear RGB vs Lab vs LCH vs HSL
Different color spaces describe color differently. Comparing several modes helps explain why the same starting colors do not always produce the same visual midpoint.
RGB
Represents colors with red, green, and blue channel values. Familiar for screen-based workflows, CSS colors, and HEX-based design work.
Linear RGB
Interpolates after accounting for the nonlinear encoding normally used for display RGB values, which can noticeably change intermediate brightness.
Lab
Separates lightness from two opponent color dimensions and is useful when you want to compare colors through a perceptual color space.
LCH
Expresses Lab using lightness, chroma, and hue, which can make hue and chroma relationships easier to reason about.
HSL
Represents hue, saturation, and lightness. It is intuitive when you want to think about hue shifts or quickly adjust saturation and lightness.
i
Which mode is best? There is no universal winner. A brand neutral, UI state, gradient, illustration transition, and target-matching task may each benefit from a different approach. Compare the result in the context where it will actually be used.
Control the Influence
How Color Mixing Ratios Change the Result
Learning how to blend colors becomes easier when you think in proportions rather than only asking which two colors should be combined.
A 1:1 mix gives two colors equal influence. Move to 2:1 and the result is pulled toward the first source. At 3:1, that influence becomes stronger again. With three or more source colors, part values give you fine control without rebuilding the entire formula.
For precise work, adjust only one ratio at a time so you can identify exactly which change improved the blend.
1 : 1Equal influence
2 : 1Source A dominates
3 : 1Stronger pull toward A
Precision Workflow
Match a Target Color Instead of Guessing
Sometimes the goal is not to discover a random attractive blend. You already have the color you need—from a screenshot, existing interface, brand asset, or another design reference.
Set that shade as the target, then adjust the available source colors and ratios. The live match percentage gives you a measurable signal showing whether the current formula is moving closer to or farther from the target.
A practical loop is choose → mix → compare → adjust → match. Change one variable at a time so the feedback stays meaningful.
Current Mix#6D8761
Target Shade#627B82
74%Example match feedback from the interface preview. Adjust a source or ratio and check whether the score improves.
Accessibility Check
Review Mixed Colors for Color-Vision Differences
Two colors that look clearly different to one viewer can become harder to distinguish for someone with a color-vision deficiency. A simulation gives you another way to inspect a shade before using it in an interface.
FreeColorTool includes previews for protanopia, deuteranopia, tritanopia, and achromatopsia. These views are especially useful when deciding between similar colors or building a system that uses color to communicate state.
A simulation does not replace complete accessibility testing. Important information should not depend on color alone, and text or UI contrast should still be checked separately.
Original#6D8761
DeuteranopiaPreview
ProtanopiaPreview
TritanopiaPreview
Real Design Work
Practical Ways to Use Color Mixing in Web & UI Design
A digital mixer becomes most useful when the blend solves a real design problem instead of producing colors with no context.
Create UI State Colors
Explore hover, pressed, selected, muted, or disabled-state directions while keeping the result connected to your existing interface palette.
Build Brand Neutrals
Mix a brand color with a neutral source and control the ratio instead of selecting another gray at random.
Test Intermediate Colors
Compare possible midpoints before building a gradient, data scale, progress state, or other visual transition.
Recreate an Existing Shade
Use target matching when a new color needs to stay close to a screenshot, reference image, existing component, or approved brand shade.
Build Multi-Color Formulas
Go beyond a two-color midpoint by adding several palette colors and giving each source a controlled amount of influence.
Compare Color Spaces
Review different mixing modes before committing to a shade, especially when visual smoothness or perceptual balance matters.
Important Difference
Digital Color Mixing Is Not the Same as Mixing Paint
A screen produces color with light, while physical paints and pigments interact with incoming light through absorption, reflection, and scattering. Because the processes are different, a digital RGB, Lab, or LCH result should not be treated as an exact physical recipe.
Use this mixer for screen-based exploration: websites, interfaces, digital branding, illustrations, gradients, and other digital design work. Validate paint, ink, dye, cosmetics, and other physical materials separately.
!
Why this matters: familiar classroom or paint-mixing rules do not always predict a digital result. A digital blue-and-yellow blend, for example, is a calculation in a color space—not two physical pigments being mixed on a palette.
WebUIBrandingGradientsIllustration
Try These Pairs
Common Digital Color Mixing Examples
These examples are starting points, not fixed recipes. The exact result changes with the ratio and mixing method, so comparing the same pair across several modes is more useful than memorizing one universal answer.
Red + Blue
Often moves toward violet, purple, or magenta families. The exact midpoint changes with ratio and mixing mode.
Blue + Yellow
A useful example for seeing why digital interpolation can differ from traditional paint-mixing expectations.
Green + Blue
Can move toward teal, cyan, or cooler green-blue directions depending on the ratio and color space.
Red + Yellow
Typically moves through warm orange-like directions, with the ratio controlling which source has more influence.
Pink + Blue
Useful for exploring lavender, violet, and periwinkle directions across different interpolation methods.
Orange + Blue
A complementary pairing that can produce muted digital midpoints and useful neutralization experiments.
Black + White
A simple example for comparing how different mixing modes handle lightness between two extreme values.
Purple + Yellow
Another complementary pair worth comparing when exploring lower-chroma or more muted digital colors.
i
Why can the result differ from what you expected? Many familiar mixing rules come from physical paint or simplified classroom models. A digital mixer is calculating values in a color space, so use these examples to explore relationships rather than treating a single color name as a guaranteed outcome.
Get Better Results
Common Digital Color Mixing Mistakes
Better results usually come from a controlled process rather than adding more colors or changing several settings at once.
×
Changing Too Many Variables
If you change the source, ratio, and mixing mode together, you cannot tell which change actually improved or damaged the result.
×
Expecting Every Color Space to Match
RGB, Lab, LCH, Linear RGB, and HSL calculate different paths. Differences are expected and can be useful.
×
Treating HEX as a Mixing Method
HEX identifies a digital RGB value; it does not define the interpolation method used between source colors.
×
Using Digital Results as Paint Recipes
Screen color and physical pigment mixing work differently, so physical materials should be tested separately.
×
Ignoring Context
A color that looks good alone may not work against the final background, typography, imagery, or neighboring UI states.
×
Relying on Color Alone
Accessibility also depends on contrast, labels, icons, text, patterns, and other non-color cues.
Keep Designing
Turn a Mixed Color Into a Complete Color System
A successful blend is often only one step. Continue from source color to mixing, palette building, and gradients without restarting your workflow on another disconnected site.
Color PickerInspect an exact source color and generate useful UI-ready shade values.
Open tool →
Color Palette GeneratorTurn one successful mix into a broader palette for branding and design systems.Build palette →
Gradient GeneratorUse approved colors in linear, radial, or conic backgrounds for web and UI work.Create gradient →
More Free Color ToolsContinue into picking, accessibility, palettes, gradients, and other color workflows.Explore tools →
Quick Answers
Color Mixer FAQ
Common questions about digital color mixing, HEX values, ratios, color spaces, target matching, and accessibility.
A color mixer online combines two or more digital colors and calculates a new result from them. You can adjust how much each source color contributes, compare different mixing modes, and inspect the resulting color values immediately.
Choose two or more source colors, assign a part value to each color, select a mixing mode, and review the result. Start with equal ratios, then adjust one source at a time so you can clearly see how each change affects the blend.
Yes. You can use exact HEX values as source colors. HEX is a way of representing RGB color values, while the actual blend can be calculated and compared using RGB, Linear RGB, Lab, LCH, or HSL.
Each color space represents and interpolates color differently. Because the mathematical path between two source colors changes from one space to another, the resulting midpoint or transition can also look different.
Ratios control how strongly each source color contributes to the result. A 1:1 mix gives two colors equal weight, while a 3:1 mix gives the first color three times the contribution of the second.
Yes. Set your desired shade as the target, then adjust the source colors and their ratios while watching the match percentage. The score helps show whether each change moves the blend closer to or farther from the target.
The best mode depends on your goal. RGB is familiar for screen-based work, Linear RGB provides a different light-based interpolation path, Lab and LCH are useful for perceptual comparisons, and HSL is convenient when you want to reason about hue, saturation, and lightness.
No. Digital colors are calculated for screens, while physical pigments interact with light through absorption, reflection, and scattering. A digital result should therefore not be treated as an exact paint, ink, dye, or pigment recipe.
No. A color-vision simulation is useful for visual inspection, but it does not replace contrast testing or a complete accessibility review. Important information should not rely on color alone.
Ready to Try It?
Start Mixing Colors Online
Choose your source colors, control their ratios, compare several mixing modes, and set a target when you need a more precise result. Then review the final values and color-vision preview before moving the shade into your design workflow.
Open Online Color Mixer →