Color #81A225 Color / Colour Code #81A225
This page shows the hex color code for color #81a225 (#81A225). The colour is a green tone with 63% saturation and 39% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #81A225 against common backgrounds.
Complementary Colors
#81A225 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 46, 76, and 106 degrees for harmonious combinations.
Triadic Palette
Three colors at 76, 196, and 316 degrees.
Color Palettes Using #81A225
Five shades at lightness levels 15% through 85% while keeping hue at 76 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 76 to 121 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 76 with its complement at 256 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 #81A225
Lightness variations at hue 76 and 63% saturation.
CSS Gradients with #81A225
Design Use Cases for #81A225
Vibrant Brand Color
#81A225 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.
Primary Interface Color
At 39% lightness, #81A225 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
#81A225 falls in the green range (hue 76). 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 #81A225 (hue 76) to its complement at hue 256. For a subtler effect, try pairing with an analogous color at hue 106. Use CSS: background: linear-gradient(135deg, #81a225, #4625a2);
CSS Code for #81A225
Similar Colors
Colors visually similar to #81A225 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #81A225 across image editing and color design tools.
About Color #81A225 (#81A225)
#81A225 is a green color (colour) with RGB channel values of 129 red, 162 green, and 37 blue. The green channel is dominant by a ratio of 4.4:1 over the weakest channel. In HSL terms, the hue sits at 76 degrees with 63% saturation and 39% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #81A225 is 138/255 using the ITU-R BT.601 luma formula (0.299R + 0.587G + 0.114B). This is a medium-brightness color that can work with either dark or light text depending on font weight and size. For print production, the CMYK equivalent is 20% cyan, 0% magenta, 77% yellow, and 36% key (black).
The WCAG contrast ratio of #81A225 against white is 2.95:1 and against black is 7.13:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 7.13:1, or use it exclusively for decorative purposes.
The complementary colour #4625A2 creates maximum visual tension when paired with #81A225. For more harmonious color combinations, use the analogous colours #A28525 and #42A225, 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 #81A225
- 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 #81A225?
- #81A225 is Color #81A225, a green color (colour) with RGB(129, 162, 37), HSL(76, 63%, 39%), and CMYK(20%, 0%, 77%, 36%). Its perceived brightness is 138/255.
- Is #81A225 accessible for text?
- Against white, #81A225 has a contrast ratio of 2.95:1 (fails AA for normal text). Against black, it has 7.13:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #81A225?
- The complementary colour is #4625A2 (hue 256). For subtle color combinations, use analogous colours #A28525 and #42A225. The triadic palette adds #2581A2 and #A22581 for vibrant variety.
- How do I use #81A225 in CSS?
- Use any format: color: #81a225; or rgb(129, 162, 37); or hsl(76, 63%, 39%). For CSS custom properties: --color-primary: 76 63% 39%; 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.