A color mixer is a tool that takes two input colors and produces a single output color at a user-chosen ratio, typically using sRGB linear interpolation where each red, green, and blue channel is averaged independently: result = round(A × (1 − ratio) + B × ratio). The Color Mixer is exactly that — a free, browser-based blender that accepts two hex or rgb() inputs, exposes a ratio slider from 0% to 100%, and returns the exact blended hex and rgb() values together with a live eleven-step gradient preview between the two endpoints. The math is the same one CSS gradients, most image editors, and standard UI toolkits use, so any blend you build in the tool will render identically on screen. Inputs can be entered as short hex (#f00), full hex (#3b82f6), or functional rgb() notation like rgb(59, 130, 246), and the parser tolerates extra spaces, missing hash marks, and mixed letter case. All of the arithmetic runs locally in your browser, so nothing is uploaded and there are no usage limits.
The phrase "mixing console vs mixer" is most often heard in audio. There, a mixing console is a large, multi-channel professional desk used in studios and live venues, and a mixer is a smaller, simpler device with fewer inputs and routing options. The two words describe essentially the same job at different scales. The same scale-and-purpose distinction shows up in color tools: a full color workbench — a "mixing console" of color — bundles palette generation, contrast checking, gradient building, and conversion utilities together, while a single-purpose color mixer just blends two inputs into one output. Both have their place, but if your only question is "what hex value do I get when I average these two brand colors at 70/30?", you want the mixer, not the console.
What "Mixing Console vs Mixer" Means in Color Work
Audio professionals describe a "mixing console" as the rack-mounted board with dozens of faders, EQ knobs, aux sends, and bus routing, and a "mixer" as a more compact unit that combines a smaller number of inputs into a stereo or mono output. The console adds flexibility, recall, and per-channel processing; the mixer trades those for portability and price. Both share the core job of combining signals in controlled proportions.
In color design, the same split exists. A color mixing console is a broad palette workbench — usually a design application or a multi-tool utility — that lets you generate harmonies, build scales, convert between color spaces, and sample from images. A color mixer is a single-purpose tool that takes two named colors and produces a precise intermediate. Both blend, but the workbench is for exploration while the mixer is for an exact answer. If your task is "what hex value do I get when I average these two brand colors at 70/30?", the Color Mixer is built for that kind of single-question math and gives you the answer instantly.
How the Color Mixer Blends Two Hex Values
Color blending on screen uses a very simple formula. For each of the red, green, and blue channels separately, the tool computes a weighted average of the two inputs:
result_channel = round(A_channel × (1 − ratio) + B_channel × ratio)
Each channel is clamped to the 0–255 range and rounded to the nearest integer, then reassembled into a six-digit hex value. Because the math is done independently on R, G, and B, the blend moves through straight-line screen space, which is exactly how CSS gradients, most image editors, and standard UI toolkits interpolate colors.
A concrete worked example: blending pure red (#ff0000) with pure blue (#0000ff) at a ratio of 0.5. The red channel computes round(255 × 0.5 + 0 × 0.5) = round(127.5) = 128. The green channel computes round(0 × 0.5 + 0 × 0.5) = 0. The blue channel computes round(0 × 0.5 + 255 × 0.5) = round(127.5) = 128. Reassembled, the result is #800080, a clean magenta. That result is exact and reproducible: the tool always produces #800080 for that input pair at exactly 50%, so you can rely on it when you need a known midpoint.
This kind of mixing is additive screen-light interpolation. The two colors are treated as light values, not as pigments, so the midpoint sits between them in sRGB space. Paint, ink, and printed ink physically subtract wavelengths, which is why real red paint and real blue paint combine into a dark muddy purple rather than magenta.
Blend Two Colors in the Browser
- Enter Color A. Type your first color into the Color A field as a short hex like #f00, a full hex like #3b82f6, or an rgb() string like rgb(59, 130, 246). You can also click the swatch beside the field to pick the color visually using the native picker.
- Enter Color B. Type your second color into the Color B field using any of the same three formats. The input parser is case-insensitive, ignores extra spaces, and treats the leading hash mark as optional.
- Set the blend ratio. Drag the ratio slider from 0% to 100%. At 0% the result is pure Color A, at 100% it is pure Color B, and at 50% it is the exact midpoint of every channel.
- Read the result. The result panel shows the blended color as a lowercase six-digit hex and as an rgb() string. The gradient bar below it previews all eleven evenly spaced blend steps between A and B so you can see the whole transition at a glance.
- Copy the hex. Click the Copy button next to the result to put the hex value onto your clipboard, ready to paste into CSS, a design file, or a code editor.
Reading the Gradient Bar and Result Panel
The gradient bar is more than decoration. It displays eleven evenly spaced blend steps between your two endpoints, with both originals included, so you can see exactly where a chosen intermediate sits in the run. If you are building a color scale for a chart or a UI palette, you can scan the bar and pick the swatch that visually matches your target rather than doing the arithmetic in your head.
Every step is reproducible. The ratio label always reads in the form "70% A / 30% B" or similar, so if you find a pleasing midpoint at 35% A / 65% B you can return to that exact blend later by setting the slider to the same ratio. The result panel presents the value in two formats at once — the lowercase six-digit hex (for CSS and design tools) and the rgb() string (for code that prefers functional notation) — so you do not have to convert anything manually. A single click on the Copy control puts the hex on your clipboard; nothing else is touched.
When sRGB Blending Is the Right Model (and When It Isn't)
sRGB linear interpolation is the correct model for any on-screen design work: websites, mobile apps, icons, dashboards, data visualizations, slide decks, and CSS gradients. Those systems use exactly the same per-channel weighted average, so any blend you build in the Color Mixer will render the same way in the finished product. If you are nudging a brand color 20% toward a hover state, finding a halfway tint between two palette anchors, or sampling intermediate stops for a sequential color scale, the tool gives you a value you can ship directly.
It is the wrong model for predicting what happens when you combine real pigments. sRGB mixing does not model how red and blue paint behave on paper, how colored inks absorb each other in offset printing, or how dye blends in a fabric. If you mix #ff0000 with #0000ff in the tool you will get #800080, a vibrant magenta. If you mix red paint with blue paint on a palette you will get something dark and muddy. Both results are correct within their own physics. For print preparation specifically, screen RGB has to be converted to a press color space first, and even that conversion is approximate. Use the RGB to CMYK Converter to preview how an RGB value will look in print, but never treat any screen-based tool as a substitute for a calibrated print proof.
Input Formats the Tool Accepts
The Color Mixer is forgiving about how you type a color. All three of the formats below are accepted in either Color A or Color B, and the parser strips noise rather than rejecting input.
| Format | Example | Notes |
|---|---|---|
| Short hex | #f00 | Three-digit shorthand expands to #ff0000. Leading hash is optional. |
| Full hex | #3b82f6 | Six-digit form. Lower- or upper-case letters both work. |
| rgb() string | rgb(59, 130, 246) | Functional notation. Extra spaces and mixed case are tolerated. |
| Native picker | (click swatch) | Opens the browser color input; whatever value you pick is parsed the same way as a typed input. |
All parsing and blending happens locally in your browser. No color, ratio, or result is ever sent to a server, there is no account to create, and you can run the tool as many times as you like. For most digital color blending tasks the answer you see in the result panel is the answer you can use immediately.