Color #424B11 Color / Colour Code #424B11
This page shows the hex color code for color #424b11 (#424B11). The colour is a yellow tone with 63% saturation and 18% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #424B11 against common backgrounds.
Complementary Colors
#424B11 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 39, 69, and 99 degrees for harmonious combinations.
Triadic Palette
Three colors at 69, 189, and 309 degrees.
Color Palettes Using #424B11
Five shades at lightness levels 15% through 85% while keeping hue at 69 and saturation at 63%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 69 to 114 degrees create a warm, unified palette. This analogous scheme works for marketing materials, seasonal campaigns, and any design that needs visual warmth without clashing colors.
Combines the base color at hue 69 with its complement at 249 and two adjacent cool tones. This split-complementary approach provides strong visual contrast while remaining more balanced than a pure complementary scheme.
Five evenly spaced hues at 40% saturation and 80% lightness. Pastels are gentle on the eyes and work well for dashboards, onboarding screens, category tags, and any interface where multiple distinct colors are needed without visual aggression.
Shades & Tints of #424B11
Lightness variations at hue 69 and 63% saturation.
CSS Gradients with #424B11
Design Use Cases for #424B11
Vibrant Brand Color
#424B11 has a strong 63% saturation that makes it ideal for brand identity elements. Use it for logos, primary call-to-action buttons, hero section accents, and marketing materials where visual impact matters. This saturation level is eye-catching without being harsh.
Deep Accent & Text Color
#424B11 at 18% lightness is dark enough for readable body text on light backgrounds while retaining its yellow character. Use for headings, emphasized text, or deep accent borders. It provides contrast without the harshness of pure black.
Attention & Optimism
#424B11 is in the yellow spectrum (hue 69). Yellow attracts attention faster than any other color. Use it for warning labels, featured content markers, star ratings, and tooltip backgrounds. Pair with dark text since yellow often fails contrast checks against white.
Gradient Pairing
Create a gradient from #424B11 (hue 69) to its complement at hue 249. For a subtler effect, try pairing with an analogous color at hue 99. Use CSS: background: linear-gradient(135deg, #424b11, #1a114b);
CSS Code for #424B11
Similar Colors
Colors visually similar to #424B11 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #424B11 across image editing and color design tools.
About Color #424B11 (#424B11)
#424B11 is a yellow color (colour) with RGB channel values of 66 red, 75 green, and 17 blue. The green channel is dominant by a ratio of 4.4:1 over the weakest channel. In HSL terms, the hue sits at 69 degrees with 63% saturation and 18% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #424B11 is 66/255 using the ITU-R BT.601 luma formula (0.299R + 0.587G + 0.114B). This appears dark to the human eye, so pair it with light text for adequate readability. For print production, the CMYK equivalent is 12% cyan, 0% magenta, 77% yellow, and 71% key (black).
The WCAG contrast ratio of #424B11 against white is 9.35:1 and against black is 2.25:1. This exceeds the AAA requirement (7:1) for normal text on white, making it excellent for body text and small UI labels on light backgrounds.
The complementary colour #1A114B creates maximum visual tension when paired with #424B11. For more harmonious color combinations, use the analogous colours #4B3711 and #254B11, which sit 30 degrees on either side of the hue wheel. To build a complete design system, start with the monochromatic scale above for consistent shade variations, then add one complementary or triadic accent for interactive elements.
How to Explore Color #424B11
- Enter your color value in HEX format.
- The tool converts it to RGB, HSL, CMYK format in real time.
- Copy the converted value to your clipboard.
What is HEX to RGB, HSL, CMYK color conversion
Converting from HEX to RGB, HSL, CMYK translates a color value between two different color models. Different color models are used in web design (HEX, RGB), print (CMYK), and color theory (HSL, HSV).
Related Tools & Colors
Frequently Asked Questions
- What color / colour is #424B11?
- #424B11 is Color #424B11, a yellow color (colour) with RGB(66, 75, 17), HSL(69, 63%, 18%), and CMYK(12%, 0%, 77%, 71%). Its perceived brightness is 66/255.
- Is #424B11 accessible for text?
- Against white, #424B11 has a contrast ratio of 9.35:1 (passes AA for normal text). Against black, it has 2.25:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #424B11?
- The complementary colour is #1A114B (hue 249). For subtle color combinations, use analogous colours #4B3711 and #254B11. The triadic palette adds #11424B and #4B1142 for vibrant variety.
- How do I use #424B11 in CSS?
- Use any format: color: #424b11; or rgb(66, 75, 17); or hsl(69, 63%, 18%). For CSS custom properties: --color-primary: 69 63% 18%; then use it as hsl(var(--color-primary)).
- Is this color / colour explorer free?
- Yes, completely free with no signup required. All colour calculations run in your browser. You can explore any valid hex color code, not just the pre-generated palette.