Nero

# 1E1B00

Olive

# 6B6000

Madras

is a very saturated dark warm redish yellow

Yellow is the brightest color to the human eye. It represents youth, fun, happiness, sunshine and other light playful feelings. It is a cheerful energetic color.
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Goes well with complementary color

Stratos

# 000644

or triadic complementary

Mardi Gras

# 3D0044

and triadic complementary

Cyprus

# 00443D

To a colorblind person appears

Mine Shaft

# 2b2b2b