scarlet
US /ˈskɑːr.lət/
UK /ˈskɑːr.lət/

1.
a brilliant red color with a tinge of orange
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The sunset painted the sky in shades of orange and scarlet.
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She wore a dress of deep scarlet.
1.
of a brilliant red color with a tinge of orange
:
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The cardinal bird has beautiful scarlet feathers.
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Her cheeks turned a deep scarlet when she realized her mistake.