About

Hi, I'm Eric Osei, the founder of TutorialsFX.

I have a strong interest in technology, digital skills, and continuous learning. I founded TutorialsFX to share practical knowledge that empowers people to learn graphic design, photography, data analytics, AI tools, and other technology-related topics at their own pace.

I believe learning new skills shouldn't feel overwhelming. Everything I write here comes from my own process of figuring things out — the mistakes I've made, the techniques that actually worked, and the explanations I wish I'd had when I was starting out. My goal is to break down these topics into clear, practical, beginner-friendly guides that get you from confused to confident.

Whether you're picking up Photoshop for the first time, exploring data analytics, or trying to understand how AI tools fit into your workflow, TutorialsFX is built to be a straightforward resource you can actually use.

Get in touch: eric.oneday@gmail.com

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Typography Basics: Fonts, Pairing, and Spacing Explained for Beginners

Typography is one of those things that's invisible when it's done well and glaring when it's done badly. You don't need to know fifty terms to get it right — you need to understand three decisions: what typeface to use, how to pair fonts, and how to space things out. Serif vs Sans Serif: Pick Based on Feel, Not Habit Serif fonts have small strokes at the ends of letters (think Times New Roman, Georgia). Sans serif fonts don't (think Helvetica, Arial). The common advice — "serif for print, sans serif for screens" — is outdated. Screens display serif fonts just fine now. What actually matters is the feeling you want: Serif reads as traditional, established, editorial — think newspapers, law firms, universities Sans serif reads as modern, clean, approachable — think tech startups, apps, minimalist brands Neither is "better." Pick based on the tone of the project, not because you read a rule somewhere. Font Pairing: The Two-Font Rule...

Color Theory Basics: A Practical Guide for Beginners

Color theory sounds academic, but in practice it's just a handful of ideas that explain why some color combinations feel right and others feel off. You don't need an art degree to use it — you need about four concepts and a habit of testing your choices before committing. The Color Wheel, Practically Speaking The color wheel arranges colors by how they relate to each other. You don't need to memorize the whole thing — you need to recognize three relationships on it: Complementary — colors directly opposite each other (like blue and orange). High contrast, high energy, easy to make something pop Analogous — colors sitting next to each other (like blue, teal, green). Calm, cohesive, low tension Triadic — three colors evenly spaced around the wheel. Vibrant, but harder to balance without one color overwhelming the others When I'm stuck on a palette, I don't start by picking colors I like — I start by picking one of these three relationships, then find ...

Basic Photo Adjustments: Brightness, Contrast, and Levels Explained

Before you touch filters, effects, or anything fancy, there are three adjustments worth actually understanding: brightness, contrast, and levels. Almost every photo you edit will start with one of these, and getting comfortable with them will fix more photos than any preset ever will. Brightness/Contrast: The Quick Fix Found under Image > Adjustments > Brightness/Contrast , this is the simplest tool in Photoshop, and also the easiest to overdo. Brightness pushes every pixel lighter or darker, evenly across the board Contrast pushes your lights lighter and your darks darker, which makes an image feel punchier The mistake I made constantly as a beginner: cranking both sliders until the photo "popped," then zooming out and realizing I'd blown out the highlights or crushed the shadows into pure black. My rule now — make small moves, then step away from the image for a few seconds and look again with fresh eyes before committing. Levels: The Tool Worth Lea...

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