Color #3DF040 Color / Colour Code #3DF040
This page shows the hex color code for color #3df040 (#3DF040). The colour is a green tone with 86% saturation and 59% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #3DF040 against common backgrounds.
Complementary Colors
#3DF040 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 91, 121, and 151 degrees for harmonious combinations.
Triadic Palette
Three colors at 121, 241, and 1 degrees.
Color Palettes Using #3DF040
Five shades at lightness levels 15% through 85% while keeping hue at 121 and saturation at 86%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 121 to 166 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 121 with its complement at 301 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 #3DF040
Lightness variations at hue 121 and 86% saturation.
CSS Gradients with #3DF040
Design Use Cases for #3DF040
High-Impact Accent
With 86% saturation, #3DF040 is highly vivid. Reserve this for elements that need maximum attention: primary action buttons, notification badges, error states, or promotional banners. Use sparingly alongside neutral tones to avoid visual fatigue.
Soft Accent & Highlight
With 59% lightness, #3DF040 has a softer, more approachable quality. It works well for hover states, subtle highlights, progress indicators, and secondary UI elements. This lightness range is particularly effective for tag backgrounds and status indicators.
Success & Growth Indicators
#3DF040 falls in the green range (hue 121). 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 #3DF040 (hue 121) to its complement at hue 301. For a subtler effect, try pairing with an analogous color at hue 151. Use CSS: background: linear-gradient(135deg, #3df040, #f03ded);
CSS Code for #3DF040
Similar Colors
Colors visually similar to #3DF040 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #3DF040 across image editing and color design tools.
About Color #3DF040 (#3DF040)
#3DF040 is a green color (colour) with RGB channel values of 61 red, 240 green, and 64 blue. The green channel is dominant by a ratio of 3.9:1 over the weakest channel. In HSL terms, the hue sits at 121 degrees with 86% saturation and 59% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #3DF040 is 166/255 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 75% cyan, 0% magenta, 73% yellow, and 6% key (black).
The WCAG contrast ratio of #3DF040 against white is 1.53:1 and against black is 13.74:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 13.74:1, or use it exclusively for decorative purposes.
The complementary colour #F03DED creates maximum visual tension when paired with #3DF040. For more harmonious color combinations, use the analogous colours #93F03D and #3DF099, 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 #3DF040
- 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 #3DF040?
- #3DF040 is Color #3DF040, a green color (colour) with RGB(61, 240, 64), HSL(121, 86%, 59%), and CMYK(75%, 0%, 73%, 6%). Its perceived brightness is 166/255.
- Is #3DF040 accessible for text?
- Against white, #3DF040 has a contrast ratio of 1.53:1 (fails AA for normal text). Against black, it has 13.74:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #3DF040?
- The complementary colour is #F03DED (hue 301). For subtle color combinations, use analogous colours #93F03D and #3DF099. The triadic palette adds #403DF0 and #F0403D for vibrant variety.
- How do I use #3DF040 in CSS?
- Use any format: color: #3df040; or rgb(61, 240, 64); or hsl(121, 86%, 59%). For CSS custom properties: --color-primary: 121 86% 59%; 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.