The hexadecimal color code #1F2F09 represents a very dark shade in the yellow family. In the RGB color model, this color is composed of 31 red, 47 green, and 9 blue, which translates to approximately 12% red, 18% green, and 4% blue. This makes it a moderately saturated color with cool undertones that can evoke different emotional responses depending on its application.
When analyzed in the HSL (Hue, Saturation, Lightness) color space, #1F2F09 has a hue of 85 degrees, a saturation level of 68%, and a lightness value of 11%. The hue angle of 85° places this color firmly in the yellow spectrum. In the HSV/HSB color model, this translates to a hue of 85°, saturation of 81%, and brightness/value of 18%.
For print applications using the CMYK color model, #1F2F09 would be reproduced using 34% cyan, 0% magenta, 81% yellow, and 82% 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 high saturation makes this color vibrant and attention-grabbing, ideal for call-to-action buttons, highlights, and accent elements. When pairing #1F2F09 with other colors, consider its complementary color at hue 265° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 2043657, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #1F2F09
Tailwind CSS
lime-950
HEX
#1F2F09
RGB
rgb(31, 47, 9)
RGB %
12%, 18%, 4%
HSL
hsl(85, 68%, 11%)
HSV
hsv(85, 81%, 18%)
CMYK
34%, 0%, 81%, 82%
Decimal
2043657
Web Safe
#333300
🎨 Color Schemes for #1F2F09
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #1F2F09
🌗 Shades and Tints of #1F2F09
Shades (adding black)
Tints (adding white)
🎚️ Tones of #1F2F09
Tones (adding gray / desaturating)
🌈 Hue Variations of #1F2F09
Hue Variations (shifting the color spectrum)
👁️ Preview of #1F2F09 in Use
Text on #1F2F09
This demonstrates text readability on the color background. (Click to edit)
#1F2F09 as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #1F2F09
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.
Deep Cool Chartreuse is a dark, vibrant, warm yellow color with a hue angle of 85°, saturation of 68%, and lightness of 11%. Its RGB value is (31, 47, 9) and its CMYK breakdown is C:34% M:0% Y:81% K:82%.
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 #1F2F09
What is the HEX code for Deep Cool Chartreuse? +
The HEX code for Deep Cool Chartreuse is #1F2F09. In CSS you can use it directly as color: #1F2F09; or as a background: background-color: #1F2F09;. 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 #1F2F09? +
The RGB value of #1F2F09 is rgb(31, 47, 9). This means the color contains 31 out of 255 parts red, 47 out of 255 parts green, and 9 out of 255 parts blue. Red is the weakest (with blue dominant) channel in this color mix. You can use the full RGB function in any CSS property: color: rgb(31, 47, 9);
What is the HSL value of #1F2F09? +
The HSL value of #1F2F09 is hsl(85, 68%, 11%). The hue is 85°, placing it in the yellow family on the color wheel. The saturation is 68%, making it vibrant. The lightness is 11%, 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 #1F2F09 a warm or cool color? +
#1F2F09 is classified as a warm color based on its hue angle of 85°. 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 #1F2F09? +
The approximate CMYK value of #1F2F09 is C:34% M:0% Y:81% K:82%. 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.
