Swatchr

Color picker guides

Eight short guides covering the things people actually want a color app for: getting a hex code off a photo, reading CMYK before a print job, finding a color that goes with another one, and keeping the results somewhere you can find them again.

Horizontal color bands of varying widths on a deep navy background

How to Find the Hex Code of a Color in a Photo on iPhone

Three ways to pull a hex code out of a photo on iPhone, including the eyedropper hidden in iOS Markup and a faster route that gives you RGB, HSL and CMYK at the same time.

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Soft blurred discs of teal, green and violet drifting across a dark blue field

How to Pick a Color With Your iPhone Camera

Use your iPhone camera as a live eyedropper to read the color of a wall, fabric or printed sample, and get a hex code without taking a photo first.

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A grid of violet and magenta swatch tiles with a few cells left empty

Hex, RGB, HSL and CMYK: Which Color Code Should You Use?

What hex, RGB, HSL and CMYK actually describe, how they relate to each other, and which one to reach for when you are writing CSS, working in a design tool or sending a file to print.

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A staircase of blue bars stepping from dark to light across a dark ground

How to Get CMYK Values From a Color in a Photo

Read the CMYK breakdown of any color from a photo or your camera, and understand why the numbers are a starting point for print rather than a press-ready specification.

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A pink field and a green field facing each other across a narrow gap

How to Find Complementary Colors for Any Color

Find the complement of any color by rotating its hue 180 degrees, plus the analogous shades either side, with the hex codes worked out for you.

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Nested rounded rectangles stepping from blue to magenta, anchored to the lower right

How to Save a Color Palette on iPhone

Keep the colors you pick in a palette on your iPhone, organize them by name and hex code, and get at them again without a screenshot folder or a notes file.

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Color-wheel segments of uneven length radiating from an off-center hub

How to Identify a Color You Can't Name

Put a name to a color you can only point at, using the standard CSS color keywords, and get the hex code that goes with it.

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Broad diagonal ribbons in magenta, red and gold crossing a dark blue frame

Put a Color Picker Widget on Your iPhone Home Screen

Add a Home Screen widget that shows your most recent saved color as a filled swatch with its name and code, so the palette you are working to is always visible.

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