Contrast failure
Yellow text or pale yellow fields make content hard to read.
Branding guide · Color
Yellow can signal visibility, optimism, speed, value, caution, or practical utility. It is powerful at distance and risky in long reading because contrast and fatigue become real problems.
attention · value · caution · visibility

Use the color when the category and proof can support the signal.
The same color can feel different when the shape, font, contrast, or second color changes.
Color failure is usually a role failure, a proof failure, or a category mismatch.
Yellow text or pale yellow fields make content hard to read.
The brand starts to feel like a discount sign.
Yellow implies caution when the brand needs calm confidence.
Large bright fields make long pages harder to stay with.
Yellow warms a category that needs precision or seriousness.
Every callout becomes urgent, so no callout leads.
If the name, color, message, mark, or page is making buyers hesitate, use private brand work before the public surface hardens.