Color #183D0F Color / Colour Code #183D0F
This page shows the hex color code for color #183d0f (#183D0F). The colour is a green tone with 61% saturation and 15% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #183D0F against common backgrounds.
Complementary Colors
#183D0F paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 78, 108, and 138 degrees for harmonious combinations.
Triadic Palette
Three colors at 108, 228, and 348 degrees.
Color Palettes Using #183D0F
Five shades at lightness levels 15% through 85% while keeping hue at 108 and saturation at 61%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 108 to 153 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 108 with its complement at 288 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 #183D0F
Lightness variations at hue 108 and 61% saturation.
CSS Gradients with #183D0F
Design Use Cases for #183D0F
Vibrant Brand Color
#183D0F has a strong 61% 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
#183D0F at 15% 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
#183D0F falls in the green range (hue 108). 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 #183D0F (hue 108) to its complement at hue 288. For a subtler effect, try pairing with an analogous color at hue 138. Use CSS: background: linear-gradient(135deg, #183d0f, #340f3e);
CSS Code for #183D0F
Similar Colors
Colors visually similar to #183D0F based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #183D0F across image editing and color design tools.
About Color #183D0F (#183D0F)
#183D0F is a green color (colour) with RGB channel values of 24 red, 61 green, and 15 blue. The green channel is dominant by a ratio of 4.1:1 over the weakest channel. In HSL terms, the hue sits at 108 degrees with 61% saturation and 15% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #183D0F is 45/255 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 61% cyan, 0% magenta, 75% yellow, and 76% key (black).
The WCAG contrast ratio of #183D0F against white is 12.26:1 and against black is 1.71:1. 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 #340F3E creates maximum visual tension when paired with #183D0F. For more harmonious color combinations, use the analogous colours #303E0F and #0F3E1D, 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 #183D0F
- 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 #183D0F?
- #183D0F is Color #183D0F, a green color (colour) with RGB(24, 61, 15), HSL(108, 61%, 15%), and CMYK(61%, 0%, 75%, 76%). Its perceived brightness is 45/255.
- Is #183D0F accessible for text?
- Against white, #183D0F has a contrast ratio of 12.26:1 (passes AA for normal text). Against black, it has 1.71:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #183D0F?
- The complementary colour is #340F3E (hue 288). For subtle color combinations, use analogous colours #303E0F and #0F3E1D. The triadic palette adds #0F183E and #3E0F18 for vibrant variety.
- How do I use #183D0F in CSS?
- Use any format: color: #183d0f; or rgb(24, 61, 15); or hsl(108, 61%, 15%). For CSS custom properties: --color-primary: 108 61% 15%; 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.