Note also that if you were working with print, you could use CMYK or even HSB as your color. Since you seek RGB (red, green, blue) as your color base, choose “ RGB Sliders“. So that’s grayscale, a relative measure of the luminosity of the selected color (shown on the lower left) but what about the RGB? Easy, click on “ Grayscale Slider” and other options appear: Instead choose the slider (the second option), which is what’s shown above. Click on the color box and the Color Picker window appears:Īs you can see, GraphicConverter offers quite a few color choosing options, with the color wheel being the common default. Now it’s loaded into the foreground color box (as shown above, actually, looking distinctly more brown than red). With the eyedropper selected, it’s a simple matter of moving it to the exact point on the image where the desired color appears, then clicking. Note: The toolbar is way taller with tons more options: I chopped it at the yellow line for space purposes. I open up the image in GraphicConverter and then choose “eyedropper” from the toolbar: The goal is to identify the darker red of the formation and then glean the hexadecimal value for that specific color in RGB format, suitable for using in HTML or CSS code. Here’s the image I’ll use for demonstration purposes, a crop of some beautiful high desert rocks: I use it every day, and used it to edit, crop, and tweak every image and screen capture in this article! Yes, I’m a fan. Its developer just keeps adding more and more features and it’s almost as powerful as Adobe Photoshop, but at a small fraction of the price. I’ve written about GraphicConverter before, it’s a fantastic graphics editor for the Mac system that’s been around forever. IDENTIFY COLOR ON SCREEN WITH GRAPHICCONVERTER Let’s check out one of my favorite graphics apps for your Mac, GraphicConverter, for this ability, Then I’ll show you how to use the excellent MacOS 11 utility “Digital Color Meter” to accomplish the same thing on any Mac. With that said, most graphics editors have the ability to identify a color and show values. Everything you see will appear red, but the image actually being displayed has the full color gamut: Do you want the color from image you see or the image that is shown? Less dramatically but with a similar effect, things like Night Shift and True Tone on your Mac can affect what’s displayed too, shifting the entire gamut warmer or cooler. To understand why, imagine you have red glasses on. There are a variety of ways to match a color on your screen but before we go further, I should warn you that unless you have a calibrated screen it’s possible what you see might not be quite what the computer itself sees. More commonly, though, you’ll be wanting to match colors so individual graphical elements can blend seamlessly into background images, offering elements like rounded corners with drop shadows, etc. The most obvious is if you’re a designer, but perhaps you just want to find and match a color for paint so you can have a wall in your office that’s exactly the same as the accent wall from a favorite TV show or advertising campaign. There are many situations where it’s helpful to be able to exactly identify a color that you see on your computer screen.
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