Colour Blindness Simulator for Charities & Non-profits
Colour Blindness Simulator — focused on awareness, donation-intent search terms, and mission visibility.
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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 Charities & Non-profits sites
for Charities & Non-profits websites must be accessible to the 300 million people worldwide with colour vision deficiency. This simulator lets for charities & non-profits 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 charities & non-profits content reaches users.
Charities and non-profits face unique SEO challenges around limited budgets, mission-driven content that must rank against commercial competitors, and the need to capture donation-intent searches alongside awareness queries. Google Ad Grants provide free advertising but organic SEO determines long-term visibility. Non-profits must also leverage their natural advantage in earning backlinks from media, government, and educational institutions.
for Charities & Non-profits tips
- Apply for Google Ad Grants to supplement organic efforts with free PPC while building the domain authority that sustains long-term organic rankings.
- Create impact report pages with specific statistics and beneficiary stories since these earn media backlinks and demonstrate the credibility Google rewards.
- Target cause-specific keywords like "how to help [cause]" and "donate to [cause] UK" with dedicated landing pages optimised for donation conversions.
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