Color #513F0B Color / Colour Code #513F0B
This page shows the hex color code for color #513f0b (#513F0B). The colour is a yellow tone with 76% saturation and 18% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #513F0B against common backgrounds.
Complementary Colors
#513F0B paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 15, 45, and 75 degrees for harmonious combinations.
Triadic Palette
Three colors at 45, 165, and 285 degrees.
Color Palettes Using #513F0B
Five shades at lightness levels 15% through 85% while keeping hue at 45 and saturation at 76%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 45 to 90 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 45 with its complement at 225 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 #513F0B
Lightness variations at hue 45 and 76% saturation.
CSS Gradients with #513F0B
Design Use Cases for #513F0B
Vibrant Brand Color
#513F0B has a strong 76% 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
#513F0B 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
#513F0B is in the yellow spectrum (hue 45). 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 #513F0B (hue 45) to its complement at hue 225. For a subtler effect, try pairing with an analogous color at hue 75. Use CSS: background: linear-gradient(135deg, #513f0b, #0b1c51);
CSS Code for #513F0B
Similar Colors
Colors visually similar to #513F0B based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #513F0B across image editing and color design tools.
About Color #513F0B (#513F0B)
#513F0B is a yellow color (colour) with RGB channel values of 81 red, 63 green, and 11 blue. The red channel is dominant by a ratio of 7.4:1 over the weakest channel. In HSL terms, the hue sits at 45 degrees with 76% saturation and 18% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #513F0B is 62/255 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 0% cyan, 22% magenta, 86% yellow, and 68% key (black).
The WCAG contrast ratio of #513F0B against white is 10.17:1 and against black is 2.07:1. 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 #0B1C51 creates maximum visual tension when paired with #513F0B. For more harmonious color combinations, use the analogous colours #511C0B and #3F510B, 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 #513F0B
- 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 #513F0B?
- #513F0B is Color #513F0B, a yellow color (colour) with RGB(81, 63, 11), HSL(45, 76%, 18%), and CMYK(0%, 22%, 86%, 68%). Its perceived brightness is 62/255.
- Is #513F0B accessible for text?
- Against white, #513F0B has a contrast ratio of 10.17:1 (passes AA for normal text). Against black, it has 2.07:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #513F0B?
- The complementary colour is #0B1C51 (hue 225). For subtle color combinations, use analogous colours #511C0B and #3F510B. The triadic palette adds #0B513F and #3F0B51 for vibrant variety.
- How do I use #513F0B in CSS?
- Use any format: color: #513f0b; or rgb(81, 63, 11); or hsl(45, 76%, 18%). For CSS custom properties: --color-primary: 45 76% 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.