Connecting one mixer to another mixer in color design means using a tool that blends two colors at a ratio you control, then tells you the exact hex and RGB value of the result. The Color Mixer does exactly that: you feed it two colors as Color A and Color B, drag a slider from 0% to 100%, and the tool computes the blended color using sRGB linear interpolation, where each red, green, and blue channel is averaged as round(A * (1 - ratio) + B * ratio). At 0% the result is pure Color A, at 100% it is pure Color B, and at 50% you get the exact midpoint of the two colors' channel values. The tool also draws an 11-step gradient bar so you can preview every blend in between without typing anything new. Everything runs locally in your browser, so you can blend two colors, copy the hex, and paste it into CSS, Figma, or any design file without uploading a single value. If your task is to bridge two colors into one specific intermediate shade, this is the workflow.
What "Connecting Mixer to Mixer" Means in Color Work
Outside of audio, the phrase "connect mixer to mixer" translates cleanly into a color workflow: you treat each color as a source, run them through a blending stage, and read the output. The Color Mixer is that blending stage. Color A sits in one input field, Color B sits in another, and a single ratio slider controls how much of each color contributes to the mixed result. The tool is a thin layer of math that turns two arbitrary colors into one new color, so designers and developers can reason about intermediate shades without eyeballing a color picker.
What makes this setup useful is that the connection is fully reversible and repeatable. If you set Color A to #3b82f6 (a blue) and Color B to #f00 (a red), the result at a 30% slider is a stable, named hex value. Move the slider to 70%, and you get a different stable hex. There is no randomness and no hidden profile state, which means the exact values you see in the result panel are the same values that any other tool using sRGB linear interpolation would produce. This is the same math most CSS gradients, design apps, and UI systems apply under the hood, so the outputs are portable across your stack.
How to Blend Two Colors with the Color Mixer
Each input, slider movement, and copy action below corresponds to a control on the Color Mixer page. Follow the steps in order and the result panel will always reflect the current blend.
- Enter your first color in the Color A field as a hex value such as #f00 or #3b82f6, or as an rgb() string. You can also click the swatch beside the field to open the native color picker and choose a shade visually.
- Enter your second color in the Color B field the same way. The tool accepts short hex, full hex, and rgb() strings, tolerates extra spaces, missing hash marks, and upper- or lower-case letters.
- Drag the ratio slider to set how much of each color goes into the blend. 0% returns pure Color A, 100% returns pure Color B, and 50% produces the exact midpoint of the two channel values.
- Read the mixed color's hex and RGB values in the result panel, and use the gradient bar to preview every step between the two colors at a glance.
- Click Copy to put the result hex on your clipboard, then paste it into your CSS, design file, or component token.
Each step updates the output instantly, so you can iterate quickly between two anchor colors until the intermediate you want shows up in the result panel.
How the Ratio Slider and Interpolation Work
Behind the simple slider is a per-channel weighted average. For each of the red, green, and blue channels, the tool computes result = round(A * (1 - ratio) + B * ratio), then clamps the channel to the standard 0-255 range. When the ratio is 0.5, the formula simplifies to the midpoint of each channel pair, which is why a 50% blend gives you exactly halfway between Color A and Color B in raw channel terms.
You can verify the math with a worked example. Take Color A as pure red #ff0000 with channel values (255, 0, 0) and Color B as pure blue #0000ff with channel values (0, 0, 255). At a slider ratio of 0.5, the formula on each channel becomes round(255 × 0.5 + 0 × 0.5) for red, round(0 × 0.5 + 0 × 0.5) for green, and round(0 × 0.5 + 255 × 0.5) for blue. Those round to 128, 0, and 128, which is the rgb() string rgb(128, 0, 128) and the hex #800080 — a clean magenta. The Color Mixer reproduces this exact value at the 50% slider, which makes it useful as a sanity check whenever you want to confirm a new blend is doing what you expect.
This kind of interpolation is sometimes called additive screen blending, because it averages the way two colors would emit light side by side rather than how they would absorb light as pigments. For digital work, that is the right behavior: your monitor produces additive light, your design files store 8-bit sRGB values, and CSS gradients interpolate in the same space. The table below summarizes how the slider position maps to behavior so you can pick ratios without trial and error.
| Slider ratio | What it produces | Typical use |
|---|---|---|
| 0% | Pure Color A | Confirm Color A parses correctly |
| 25% | Quarter of the way from A toward B | Subtle nudge of a brand color toward a new hue |
| 50% | Exact midpoint of both channel sets | Building palette scales and midpoint swatches |
| 75% | Three-quarters of the way from A toward B | Finding a tint close to B without committing |
| 100% | Pure Color B | Confirm Color B parses correctly |
Reading the Result: Hex, RGB, and the Gradient Bar
The result panel exposes three pieces of information at once. The first is the lowercase six-digit hex code, which is the format CSS, design tools, and most code editors accept directly. The second is the rgb() string with explicit red, green, and blue channel values, useful when you need to drop the color into a stylesheet that already uses functional notation or when you want to read individual channels. The third is the ratio label, formatted as something like 70% A / 30% B, which makes any blend reproducible later. If you record the two inputs and the ratio, you can rebuild the exact output on any other tool that uses the same math.
The gradient bar underneath the result panel renders eleven evenly spaced blend steps between Color A and Color B, including both endpoints. Each step is one tenth of the way from the previous one, so the gradient bar doubles as a visual scale. If you are hunting for an intermediate color and do not know the exact ratio you want, slide the ratio control until a gradient swatch matches your target, then read the precise hex and ratio from the panels above. This combination of slider, ratio label, and gradient preview turns what would otherwise be guesswork into a controlled, repeatable operation.
Practical Uses for Color Blending in Digital Design
Most color decisions in digital design are not "pick one color." They are "find the color that sits between these two," and that is exactly what blending solves. Designers use it to build accessible color scales, where a base brand color is moved toward white or black in fixed ratios to create a tint or shade system. Developers use it to generate gradient stops, since CSS linear-gradient interpolates between adjacent stops in the same way and the Color Mixer can preview the middle tone before any code is written. Chart authors blend two anchor colors to derive a third color that sits on a spectrum, which keeps the palette coherent across categories.
Another common task is sampling an intermediate from a real-world palette. If a designer has a hero color and a secondary color and wants a tertiary that does not look like a fourth unrelated hue, a 30% to 50% blend usually produces something visually anchored. Because the tool updates instantly as the slider moves, you can sweep through the entire transition and stop at the first shade that reads correctly on a white background. The gradient bar is especially helpful here because it shows all eleven stops at once, so a pleasing intermediate is often obvious without further tweaking.
What the Color Mixer Does Not Do
It is worth being clear about the limits, because color blending has well-known gotchas. The Color Mixer uses sRGB linear interpolation, which mixes the numeric values stored for each channel. This is not gamma-corrected optical light mixing, and it is emphatically not subtractive paint or ink mixing. That is why blending pure red #ff0000 with pure blue #0000ff here returns a clean magenta #800080, the channel-by-channel midpoint, while physically blending red and blue acrylic on a palette produces a muddy dark purple or brown that no screen tool can model.
If your goal is to design for screens, websites, apps, icons, dashboards, or any on-screen surface, sRGB interpolation is exactly what you want because your monitor, your CSS engine, and your design tools all operate in the same sRGB space. If your goal is to predict how real printer inks or paints will combine on paper, this tool will not give you that answer, and no honest browser-based blend can, since print and pigment mixing depend on physical absorption curves that screen values do not capture. Knowing which problem you actually have determines whether the Color Mixer is the right tool or whether you need a print-focused workflow instead.