This post is part of The Branding Flock paid series. We're building a complete visual brand system from scratch, step by step, using AI tools. Weâve covered logos and brand reference sheets. Check out the full series archive here.
TL;DR: Your brand colors are doing psychological work every time someone lands on your page. Most Substack creators pick them based on what they like instead of what they need to say. This post breaks down the research behind why color works the way it does and helps you find your direction â then, for paid subscribers, the full build: palette ratios, all four color schemes with hex codes, the Substack-specific contrast rules nobody tells you, and a Claude skill that builds your complete palette.
Why Did I Decide On Pink For My Substack?
Ok, storytime. Before AI Meets Girlboss was pink, it almost wasnât. I sat with hot pink for two weeks before I let myself commit to it. Not because I didnât like it. Because I was scared of what it said about me.
Pink felt soft. Decorative. Like the color version of not being taken seriously in a room full of people who default to navy and charcoal when they want to signal âserious brand about AI.â
I kept asking myself: can a brand about systems, strategy, and AI actually wear hot pink and still be credible?
Hereâs what changed my mind. I stopped asking âdo I like this colorâ and started asking âwhat does this color need to say about me.â
Hot pink doesnât say soft. In the right system, it says confident, daring, impossible to ignore in a feed full of beige. Thatâs a documented psychological response â people physically respond differently to high-energy colors like hot pink and red than to muted or cool tones. Once I understood the research behind it, picking pink stopped being a risk and started being a decision.
Hey, Iâm Pinkie. I help creators build recognizable Substack brands that drive consistent subscriber growth. I share the exact branding systems, prompts, and workflows I use to transform ideas into distinctive, repeatable output. If youâre new to AI Meets Girlboss, welcome! This might be the best time to join. start here! đ©·đŠ©
What Youâll Learn In This Post.
Why color is doing psychological work on your readers before they read a single word
What each color actually signals (backed by research, not opinions)
A free 2-minute test to find your brandâs color direction
(Paid) How many colors do you need for your Substack brand?
(Paid) The color wheel, and how to work with the spectrum.
(Paid) Four color scheme design rules that work, and help build your color system
(Paid) The Brand Color Prompt for Claude or ChatGPT that builds your complete palette
Heads up, Girlbosses: starting today, monthly access to the Branding Flock moves from $8 to $15. If youâve been circling annual, this is the window â 20% off through July 4.
Color Is Not Decoration. Itâs a Communication Decision.
Most Substack creators treat brand colors like a decoration choice. Pick something you like, make sure itâs not ugly, move on.
The problem with that is your readers arenât neutral. Theyâre processing your visual brand before theyâve read a word, and color is the first signal they receive. Research in color-brand psychology consistently shows that when a brandâs visual identity matches the personality itâs trying to communicate, trust and recognition go up. When they donât match, something feels off â even if the reader canât name why.
Thereâs an academic framework that maps this directly. Marketing researcher Jennifer Aaker, now a professor at Stanfordâs Graduate School of Business, developed a model identifying five measurable dimensions of brand personality â Sincerity, Excitement, Competence, Sophistication, and Ruggedness.
Later research by Labrecque and Milne connected those five dimensions to specific color profiles, establishing that color isnât just aesthetic preference. Itâs a personality signal your brand is broadcasting whether youâve thought about it or not.
The practical takeaway: your brand color should match your brand personality, not your personal taste.
What Each Color Actually Says.
Hereâs the map. Every color listed below has documented psychological associations backed by both consumer behavior research and the Aaker dimension framework. This is not âyellow is cheerful because it feels sunny.â These are patterns verified across studies.
Hot Pink | Vibrant Red | Bright Orange
Signal: Excitement. Daring, bold, spirited, energetic.
These are high-wavelength colors that physically increase alertness and urgency. Brands using these are saying: we are impossible to ignore and we know it.
Examples: Coca-Cola, Red Bull, Nickelodeon, Barbie.
Soft Blue | Sage Green | Warm Beige | Earth Tones
Signal: Sincerity. Down-to-earth, honest, warm, dependable.
These colors borrow their credibility from nature â they read as real rather than performative.
Examples: Patagonia, Whole Foods, most wellness brands.
Navy | Deep Corporate Blue | White
Signal: Competence. Reliable, intelligent, in control.
Blue is universally linked to institutional trust. If your brand needs to communicate authority before anything else.
Examples: IBM, Chase Bank, LinkedIn.
Deep Purple | Metallic Gold or Silver | Black
Signal: Sophistication. Glamorous, exclusive, expensive-feeling.
These colors have the longest cultural association with status and luxury.
Examples: Chanel, Rolex, Tiffany & Co.
Dark Brown | Forest Green | Charcoal
Signal: Ruggedness. Tough, outdoorsy, built to last.
These colors borrow credibility from stone, wood, and earth. Durability before style.
Examples: Jeep, Timberland, Caterpillar.
Where does AI Meets Girlboss sit?
My brand, AI Meets Girlboss sits firmly in Excitement (hot pink), with a Sincerity (blush pink) undertone (the I-show-my-receipts, big-sister energy). Thatâs why hot pink works for a brand teaching AI strategy, and why a soft muted palette never would have. The color is confirming a brand personality.
The same logic I used to choose pink is what I used to build my full voice system. I wrote about that process in the post below. Colors and voice are the same problem, just in different form.
Quick Test: Find Your Direction.
This takes two minutes. Copy this into any Claude or ChatGPT conversation:
I'm trying to identify my brand's color direction for my Substack.
My brand in 3 adjectives: [fill in]
My audience in one sentence: [fill in]
One brand I admire visually: [fill in]
Based on Jennifer Aaker's five brand personality dimensions
(Sincerity, Excitement, Competence, Sophistication, Ruggedness),
tell me which ONE dimension fits my brand most closely, and why. Then suggest a primary and seconday color for my brand with HEX codes.That tells you your dimension. It doesnât tell you your palette, your ratios, or how any of it will actually render on Substack. Thatâs the part most people get wrong, and itâs the part thatâs actually hard to get right without seeing it done.
In the notes & commentsâŠ
Share what dimension your brand is: Sincerity, Excitement, Competence, Sophistication, or Ruggedness? Share your color palettes in the notes by tagging me, I love seeing what the community creates + Iâll restack you.
Paywall Preview: What The Brand Colors Prompt Output Looks Like.
I built the Brand Colors Prompt to create color scheme options that match your brand personality. I always make sure the prompts I create are tested, so I tested it on two Front Row clients before this post went live.
Both Badass Women in AI and Adrienne Schutte are in the process of building their visual identities on Substack with me as Front Row clients, follow their publications to see their transformation journeys.
Hereâs what came out.
Badass Women in AI (BAWAI) by Lacy Goodwyn
Badass Women in AIâs brand personality is: Excitement + Sophistication. It has a bold, unapologetic energy; editorial authority; the red is kicking the door open. The palette the prompt built was built around deep lipstick red as the primary, with four scheme variations so Lacy could see the same personality expressed four different ways.
AI With Adrienne by Adrienne Schutte
Adrienne Schutteâs brand personality is: Sincerity + Competence. Her brand centers around her strong personal brand. Her existing palette was warm ivory, camel, olive, espresso, Mediterranean blue â good colors, genuinely her brand personality, but all at equal visual weight. The promptâs verdict was too many colors getting equal airtime, so the eye didnât know what mattered first. Then it rebuilt the hierarchy so Adrienne.
What youâll get behind the paywall:
(Paid) How many colors do you need for your Substack brand? The full ratio system.
(Paid) The Color Wheel and how to work with the spectrum.
(Paid) Four color scheme design rules that work (Monochromatic, Analogous, Complementary, Triadic), and help build your color system
(Paid) The full Brand Colors Prompt for Claude or ChatGPT that builds your complete palette and gives you 2-3 options