Key limes are yellow, and that is the colour of an authentic Key lime pie, which is nothing more than a custard of Key lime juice, sweetened condensed milk and egg yolks in a cracker crust, then topped with meringue or whipped cream.

BBC: Feasting in Florida

He totes a little yellow pad that carries key metrics he is watching.

FORBES: Money For The Masses

The show didn't exactly spell out the reveal (casual fans could have missed it), but there was one key to knowing the doe-eyed girl was the mother: the bright yellow umbrella she was holding.

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McCaw appeared fortunate to avoid a yellow card on the hour mark for an infringement in a ruck, and he immediately played a key role in turning over possession as the Springboks threatened the line.

BBC: Tri-Nations: New Zealand 31-17 South Africa