Deep Yellow
A vivid, warm dark yellow.
#999900
rgb(153, 153, 0)
Color formats
HEX
#999900
RGB
rgb(153, 153, 0)
HSL
hsl(60, 100%, 30%)
HSV
hsv(60, 100%, 60%)
CMYK
cmyk(0%, 0%, 100%, 40%)
Color shades
Lighter tints and darker shades of Deep Yellow.
Lightest
#FFFF66
Lighter
#FFFF00
Base
#999900
Darker
#333300
Darkest
#000000
Complementary
The opposite hue on the color wheel.
Analogous
Neighbouring hues that harmonise.
Contrast & readability
Where Deep Yellow works
Deep Yellow (#999900) is a vivid, warm dark yellow. Its mid-range lightness makes it a flexible choice for buttons, fills and accents that need to read clearly without overpowering a layout. Its warm undertone gives it an energetic, inviting feel — a good fit for friendly, expressive brands.
Observe the spectrum
More colors related to Deep Yellow — or browse all yellows.
Color tools
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Shade & Tint Generator
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Complementary Color Finder
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