Color #0B511C Color / Colour Code #0B511C
This page shows the hex color code for color #0b511c (#0B511C). The colour is a green 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 #0B511C against common backgrounds.
Complementary Colors
#0B511C paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 105, 135, and 165 degrees for harmonious combinations.
Triadic Palette
Three colors at 135, 255, and 15 degrees.
Color Palettes Using #0B511C
Five shades at lightness levels 15% through 85% while keeping hue at 135 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 135 to 180 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 135 with its complement at 315 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 #0B511C
Lightness variations at hue 135 and 76% saturation.
CSS Gradients with #0B511C
Design Use Cases for #0B511C
Vibrant Brand Color
#0B511C 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
#0B511C at 18% lightness is dark enough for readable body text on light backgrounds while retaining its green character. Use for headings, emphasized text, or deep accent borders. It provides contrast without the harshness of pure black.
Success & Growth Indicators
#0B511C falls in the green range (hue 135). Green universally represents success, growth, and safety. Use it for confirmation messages, positive chart data, eco-friendly badges, and health metrics. In financial dashboards, green indicates gains and positive performance.
Gradient Pairing
Create a gradient from #0B511C (hue 135) to its complement at hue 315. For a subtler effect, try pairing with an analogous color at hue 165. Use CSS: background: linear-gradient(135deg, #0b511c, #510b3f);
CSS Code for #0B511C
Similar Colors
Colors visually similar to #0B511C based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #0B511C across image editing and color design tools.
About Color #0B511C (#0B511C)
#0B511C is a green color (colour) with RGB channel values of 11 red, 81 green, and 28 blue. The green channel is dominant by a ratio of 7.4:1 over the weakest channel. In HSL terms, the hue sits at 135 degrees with 76% saturation and 18% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #0B511C is 54/255 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 86% cyan, 0% magenta, 65% yellow, and 68% key (black).
The WCAG contrast ratio of #0B511C against white is 9.51:1 and against black is 2.21:1. 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 #510B3F creates maximum visual tension when paired with #0B511C. For more harmonious color combinations, use the analogous colours #1C510B and #0B513F, 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 #0B511C
- 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 #0B511C?
- #0B511C is Color #0B511C, a green color (colour) with RGB(11, 81, 28), HSL(135, 76%, 18%), and CMYK(86%, 0%, 65%, 68%). Its perceived brightness is 54/255.
- Is #0B511C accessible for text?
- Against white, #0B511C has a contrast ratio of 9.51:1 (passes AA for normal text). Against black, it has 2.21:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #0B511C?
- The complementary colour is #510B3F (hue 315). For subtle color combinations, use analogous colours #1C510B and #0B513F. The triadic palette adds #1C0B51 and #511C0B for vibrant variety.
- How do I use #0B511C in CSS?
- Use any format: color: #0b511c; or rgb(11, 81, 28); or hsl(135, 76%, 18%). For CSS custom properties: --color-primary: 135 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.