Color #40901D Color / Colour Code #40901D
This page shows the hex color code for color #40901d (#40901D). The colour is a green tone with 66% saturation and 34% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #40901D against common backgrounds.
Complementary Colors
#40901D paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 72, 102, and 132 degrees for harmonious combinations.
Triadic Palette
Three colors at 102, 222, and 342 degrees.
Color Palettes Using #40901D
Five shades at lightness levels 15% through 85% while keeping hue at 102 and saturation at 66%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 102 to 147 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 102 with its complement at 282 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 #40901D
Lightness variations at hue 102 and 66% saturation.
CSS Gradients with #40901D
Design Use Cases for #40901D
Vibrant Brand Color
#40901D has a strong 66% 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.
Primary Interface Color
At 34% lightness, #40901D is in the mid-range, making it ideal for interactive elements like buttons, links, and selected states. This lightness level ensures good contrast against both light and dark adjacent elements in most layouts.
Success & Growth Indicators
#40901D falls in the green range (hue 102). 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 #40901D (hue 102) to its complement at hue 282. For a subtler effect, try pairing with an analogous color at hue 132. Use CSS: background: linear-gradient(135deg, #40901d, #6e1d90);
CSS Code for #40901D
Similar Colors
Colors visually similar to #40901D based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #40901D across image editing and color design tools.
About Color #40901D (#40901D)
#40901D is a green color (colour) with RGB channel values of 64 red, 144 green, and 29 blue. The green channel is dominant by a ratio of 5.0:1 over the weakest channel. In HSL terms, the hue sits at 102 degrees with 66% saturation and 34% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #40901D is 107/255 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 56% cyan, 0% magenta, 80% yellow, and 44% key (black).
The WCAG contrast ratio of #40901D against white is 4.02:1 and against black is 5.23:1. This only passes AA for large text (18pt+) on white. For normal body text on white, darken the color or use it on a dark background where it achieves 5.23:1.
The complementary colour #6E1D90 creates maximum visual tension when paired with #40901D. For more harmonious color combinations, use the analogous colours #79901D and #1D9034, 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 #40901D
- 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 #40901D?
- #40901D is Color #40901D, a green color (colour) with RGB(64, 144, 29), HSL(102, 66%, 34%), and CMYK(56%, 0%, 80%, 44%). Its perceived brightness is 107/255.
- Is #40901D accessible for text?
- Against white, #40901D has a contrast ratio of 4.02:1 (fails AA for normal text). Against black, it has 5.23:1 (passes AA). It passes AA for large text (18pt+) on white. Use the contrast checker tool for custom background pairings.
- What colours pair well with #40901D?
- The complementary colour is #6E1D90 (hue 282). For subtle color combinations, use analogous colours #79901D and #1D9034. The triadic palette adds #1D4090 and #901D40 for vibrant variety.
- How do I use #40901D in CSS?
- Use any format: color: #40901d; or rgb(64, 144, 29); or hsl(102, 66%, 34%). For CSS custom properties: --color-primary: 102 66% 34%; 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.