✓ Copied to clipboard
#3F3F18 (Deep Yellow) color swatch preview — Color From Pic.
#3F3F18 — Deep Yellow color swatch

Deep Yellow

#3F3F18

📝 Color Information for #3F3F18

The hexadecimal color code #3F3F18 represents a very dark shade in the yellow family. In the RGB color model, this color is composed of 63 red, 63 green, and 24 blue, which translates to approximately 25% red, 25% green, and 9% blue. This makes it a slightly desaturated color with cool undertones that can evoke different emotional responses depending on its application. When analyzed in the HSL (Hue, Saturation, Lightness) color space, #3F3F18 has a hue of 60 degrees, a saturation level of 45%, and a lightness value of 17%. The hue angle of 60° places this color firmly in the yellow spectrum. In the HSV/HSB color model, this translates to a hue of 60°, saturation of 62%, and brightness/value of 25%. For print applications using the CMYK color model, #3F3F18 would be reproduced using 0% cyan, 0% magenta, 62% yellow, and 75% black. The closest web-safe color is #333300, which may be useful for ensuring compatibility across older displays and systems. This color works well in various design contexts. As a darker shade, it works well for text, headers, and creating visual weight in compositions. The moderate to low saturation gives this color a sophisticated, muted quality that works well in professional and minimalist designs. When pairing #3F3F18 with other colors, consider its complementary color at hue 240° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 4144920, which can be useful in certain programming contexts.

🔢 Color Conversion Codes for #3F3F18

Tailwind CSS
lime-900
HEX
#3F3F18
RGB
rgb(63, 63, 24)
RGB %
25%, 25%, 9%
HSL
hsl(60, 45%, 17%)
HSV
hsv(60, 62%, 25%)
CMYK
0%, 0%, 62%, 75%
Decimal
4144920
Web Safe
#333300

🎨 Color Schemes for #3F3F18

Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)

🔄 Alternatives to #3F3F18

🌗 Shades and Tints of #3F3F18

Shades (adding black)
Tints (adding white)

🎚️ Tones of #3F3F18

Tones (adding gray / desaturating)

🌈 Hue Variations of #3F3F18

Hue Variations (shifting the color spectrum)

👁️ Preview of #3F3F18 in Use

Text on #3F3F18
This demonstrates text readability on the color background. (Click to edit)
#3F3F18 as Text
This shows the color used as text on white. (Click to edit)

👓 Color Blindness Simulation for #3F3F18

Check how a color is perceived by people with different types of color blindness to create more accessible designs. Understanding color perception helps ensure your content is accessible to everyone.

📋 CSS Code for #3F3F18

:root { --color-hex: #3F3F18; --color-rgb: 63, 63, 24; --color-hsl: 60, 45%, 17%; } .bg-color { background-color: #3F3F18; } .text-color { color: #3F3F18; } .border-color { border-color: #3F3F18; }

🛠️ Use #3F3F18 in Your Project

🎨
Build a Palette with #3F3F18
Generate harmonious color schemes
⚖️
Check Contrast for #3F3F18
WCAG accessibility testing
🌈
Create a Gradient with #3F3F18
Beautiful CSS gradients

🔗 Related Colors to #3F3F18

#3F2B18
Hue -30°
#3F3518
Hue -15°
#353F18
Hue +15°
#2B3F18
Hue +30°
#343414
85% L
#2C2C11
70% L
#21210D
50% L
#121207
30% L
#7E7E30
34% L
#B9B946
50% L
#D1D185
67% L
#E7E7C0
83% L

About Deep Yellow (#3F3F18)

Deep Yellow is a dark, moderately saturated, warm yellow color with a hue angle of 60°, saturation of 45%, and lightness of 17%. Its RGB value is (63, 63, 24) and its CMYK breakdown is C:0% M:0% Y:62% K:75%.

This is a Winter (Deep) color palette archetype. Happiness, Positivity, Optimism, Caution. Yellow is the most luminous of all the colors of the spectrum.

Frequently Asked Questions About #3F3F18

What is the HEX code for Deep Yellow? +

The HEX code for Deep Yellow is #3F3F18. In CSS you can use it directly as color: #3F3F18; or as a background: background-color: #3F3F18;. The three-character shorthand is not available for this color since it cannot be reduced without changing the value. Use the full six-character hex for accurate reproduction in any web or design project.

What is the RGB value of #3F3F18? +

The RGB value of #3F3F18 is rgb(63, 63, 24). This means the color contains 63 out of 255 parts red, 63 out of 255 parts green, and 24 out of 255 parts blue. Red is the strongest channel in this color mix. You can use the full RGB function in any CSS property: color: rgb(63, 63, 24);

What is the HSL value of #3F3F18? +

The HSL value of #3F3F18 is hsl(60, 45%, 17%). The hue is 60°, placing it in the yellow family on the color wheel. The saturation is 45%, making it moderately saturated. The lightness is 17%, making it dark. HSL is the most useful format for programmatic color manipulation in CSS, as you can easily adjust lightness to create tints and shades.

Is #3F3F18 a warm or cool color? +

#3F3F18 is classified as a warm color based on its hue angle of 60°. Warm colors — reds, oranges, and yellows — evoke energy, enthusiasm, and urgency. They tend to advance visually and draw the eye. In design, warm colors are often used for calls-to-action, food and hospitality brands, and anywhere a feeling of warmth or excitement is desired.

What is the CMYK value of #3F3F18? +

The approximate CMYK value of #3F3F18 is C:0% M:0% Y:62% K:75%. CMYK (Cyan, Magenta, Yellow, Key/Black) is the color model used in physical printing. Unlike RGB which mixes light additively on screens, CMYK mixes inks subtractively on paper. Note that the RGB-to-CMYK conversion is an approximation — screen colors and print colors exist in different color gamuts, and some screen colors cannot be exactly reproduced in print. For precise print work, consult a professional print color profile or Pantone matching system.

Analyze #3F3F18 with Other Tools

🔢
Color Converter
Get all formats for #3F3F18 — HEX, RGB, HSL, HSV, CMYK, harmonies and shades.
Contrast Checker
Test whether #3F3F18 passes WCAG AA/AAA contrast requirements as text.
🎨
Palette Generator
Generate complementary, triadic, and analogous palettes starting from #3F3F18.
👓
Blindness Simulator
See how #3F3F18 appears to users with deuteranopia, protanopia, and tritanopia.
📊
Color Analysis
Deep analysis of luminance, temperature, psychology and harmonies for #3F3F18.
🎭
Creative Aspects
Explore the mood, psychology, seasonal meaning, and mixing guide for #3F3F18.
🌅
Gradient Maker
Create a beautiful CSS linear or radial gradient starting from #3F3F18.
🔬
Technical Formats
See #3F3F18 in OKLCH, Lab, HSV, XYZ, and other advanced color spaces.
🎨
Practical Formats
Get #3F3F18 as a CSS variable, Tailwind class, design token, and more.

More Color Tools

Explore our full suite of free color utilities for designers and developers.