Building A Color Palette Step By Step

Start with a job for the palette to do

A palette is a small, chosen set of colors that a project uses repeatedly. Before picking any, write down what the palette must support: a website, a printed menu, a slide template, a set of social posts. The medium affects how many colors you need, how dark the darkest one should be and whether color will be reproduced reliably.

It also helps to note the mood or audience you are aiming for, in a few plain words. “Calm and trustworthy” or “playful and warm” gives you something to check each color against later. Associations differ between people and cultures, so treat these words as a direction, not a guarantee.

Step 1: Choose a base color

The base color is the one that dominates and carries the identity of the project. It might be the main background, a large band of color or the dominant tone in imagery. Choose it first, because everything else is measured against it.

Some ways to find it:

• Pull a color from a key image, a product or an existing object that the project represents.
• Start from the mood words and test a few hues against them, looking at each on a large swatch rather than a tiny chip. Colors look different at scale.
• Decide whether the base is a bold saturated color or something quieter. A quiet base leaves room for a stronger accent.

At this stage, think in terms of hue, saturation and value. If these terms are unfamiliar, the basics of color theory cover them.

Step 2: Add one or two accent colors

Accents are the colors used sparingly to draw attention, such as buttons, highlights, key figures or small illustrations. A harmony scheme can guide the choice. A complementary accent gives strong contrast against the base. An analogous accent gives a softer, more cohesive feel. Some of these arrangements are described in the overview of color harmony.

Practical points:

• Keep accents to one or two. Each added accent weakens the others.
• Give the accent enough saturation or contrast to stand out against the base, since its job is to guide attention.
• Reserve it for the things that matter. If everything is highlighted, nothing is, which ties directly to the idea of a focal point.

Step 3: Build the neutrals

Neutrals are the quiet colors that hold everything together: whites, off-whites, grays, near-blacks, sometimes browns or beiges. In most designs they cover more area than the base and accents combined, because text and backgrounds are mostly neutral.

A few habits make neutrals work well:

• Avoid pure black text on pure white unless you have a reason. A slightly softer dark and an off-white are often more comfortable to read, though this depends on the screen and the context.
• Tint your neutrals very slightly toward the base hue. A gray with a faint blue or warm cast tends to look like it belongs with the rest of the palette, whereas a perfectly neutral gray can look disconnected.
• Make a range, not a single gray. A light neutral for backgrounds, a mid-tone for borders and secondary text, and a dark one for body text covers most needs.

Step 4: Create lighter and darker versions

Real projects need more than one value of each color. Make a few tints and shades of your base and accent so you have light fills, hover states, borders and dark text options. Keep the number modest. A common approach is to produce a short ramp, from very light to very dark, for the base color and use only the steps you actually need.

Step 5: Test the palette

Testing is the step most often skipped, and it is where problems show up.

1. Check contrast for text. Place every text color over every background it will appear on. The rules of thumb for color contrast and the widely used contrast ratios give you measurable targets rather than guesses.
2. Convert to grayscale. If distinct elements merge into the same gray, they may be hard to tell apart for some viewers.
3. Check for color vision differences. Red and green pairs are a well-known trouble spot, so avoid relying on them alone to carry meaning. See the notes on color blindness for more.
4. Try it in context. Apply the palette to a realistic layout, not just a row of swatches. Colors behave differently next to each other, at different sizes and with real photos.
5. View it on more than one device. Screens vary in brightness and calibration, and if the work is printed, a proof will show differences that a screen hides.

Step 6: Write down the rules

A palette is only useful if people use it consistently. Record each color with a clear name, its values for each medium that applies and a short note on its job, such as “main background” or “links and buttons only”. Include a note about proportions if they matter. This record often becomes part of a brand style guide, and it is much easier to write while the decisions are fresh.

Common mistakes

• Too many colors. Five or six well-chosen colors, counting neutrals, usually go further than twelve.
• Choosing from swatches alone. Test in real layouts.
• Ignoring neutrals. A palette without a plan for text and backgrounds is incomplete.
• Equal proportions. One color should lead.
• Locking in before testing. Adjusting a palette early is cheap, and changing it after a project is built is not.

A palette does not have to be clever. A confident base, a restrained accent and a well-organized set of neutrals, tested for readability, will serve most projects well.