Colour Blindness Simulator for Portfolios
Colour Blindness Simulator — optimized for creative professional discovery and brand name authority.
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Supports JPEG, PNG, WebP. Files never leave your device.
Colour Vision Deficiency: Key Facts
Approximately 1 in 12 men have some form of red-green colour vision deficiency.
About 1 in 200 women have red-green CVD due to X-linked recessive inheritance.
Over 300 million people globally live with some form of colour vision deficiency.
Deuteranomaly (weak green) is the most prevalent type, affecting about 5% of all males.
| Type | Category | Prevalence | Affected Colours |
|---|---|---|---|
| Protanopia | Red-blind | ~1.3% of males | No red cones — red appears dark |
| Deuteranopia | Green-blind | ~1.2% of males | No green cones — green-red confusion |
| Tritanopia | Blue-blind | ~0.001% of population | No blue cones — blue-yellow confusion |
| Protanomaly | Red-blind | ~1.3% of males | Weak red cones — reduced red sensitivity |
| Deuteranomaly | Green-blind | ~5% of males | Weak green cones — most common type |
| Tritanomaly | Blue-blind | ~0.01% of population | Weak blue cones — rare |
| Achromatopsia | Monochromacy | ~0.003% of population | Total colour blindness — greyscale only |
How this tool helps for Portfolios sites
for Portfolios websites must be accessible to the 300 million people worldwide with colour vision deficiency. This simulator lets for portfolios designers test images and UI elements against 8 CVD types using scientifically accurate matrices, identify indistinguishable colour pairs in their palette, and fix accessibility issues before for portfolios content reaches users.
Portfolio websites face distinct SEO challenges because they are primarily visual and often contain minimal indexable text. Search engines cannot effectively rank image-heavy pages without supporting textual content, alt attributes, and structured data. Portfolio sites must balance aesthetic presentation with enough written content to rank for service-based and name-brand queries that drive client inquiries.
for Portfolios tips
- Write detailed project case studies with 300 or more words describing objectives, process, and results since pure image galleries are nearly invisible to search engines.
- Add descriptive alt text to every portfolio image using format like "[project type] for [client industry] by [your name]" to capture image search traffic.
- Create individual service pages targeting "[service] [location]" keywords rather than relying on a single portfolio page to rank for all your offerings.
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