Which color scheme was specifically adopted by many government websites around 2010-2015 to improve accessibility and convey trustworthiness?

Government agencies carefully select brand colors for their digital platforms to evoke specific responses from citizens. These color choices aren't random - they're strategic decisions that communicate authority, trust, accessibility, and national identity. Test your knowledge about how color psychology influences government digital branding and public perception in this challenging trivia question!

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High-contrast black and yellow (inspired by emergency signage)
Flat design with blue/white color schemes and minimal gradients
Rich burgundy and gold (inspired by official government seals)
Green and brown earth tones (to signify environmental responsibility)