Color #40DF20 Color / Colour Code #40DF20
This page shows the hex color code for color #40df20 (#40DF20). The colour is a green tone with 75% saturation and 50% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #40DF20 against common backgrounds.
Complementary Colors
#40DF20 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 80, 110, and 140 degrees for harmonious combinations.
Triadic Palette
Three colors at 110, 230, and 350 degrees.
Color Palettes Using #40DF20
Five shades at lightness levels 15% through 85% while keeping hue at 110 and saturation at 75%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 110 to 155 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 110 with its complement at 290 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 #40DF20
Lightness variations at hue 110 and 75% saturation.
CSS Gradients with #40DF20
Design Use Cases for #40DF20
Vibrant Brand Color
#40DF20 has a strong 75% 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.
Soft Accent & Highlight
With 50% lightness, #40DF20 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
#40DF20 falls in the green range (hue 110). 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 #40DF20 (hue 110) to its complement at hue 290. For a subtler effect, try pairing with an analogous color at hue 140. Use CSS: background: linear-gradient(135deg, #40df20, #bf20df);
CSS Code for #40DF20
Similar Colors
Colors visually similar to #40DF20 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #40DF20 across image editing and color design tools.
About Color #40DF20 (#40DF20)
#40DF20 is a green color (colour) with RGB channel values of 64 red, 223 green, and 32 blue. The green channel is dominant by a ratio of 7.0:1 over the weakest channel. In HSL terms, the hue sits at 110 degrees with 75% saturation and 50% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #40DF20 is 154/255 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 71% cyan, 0% magenta, 86% yellow, and 13% key (black).
The WCAG contrast ratio of #40DF20 against white is 1.78:1 and against black is 11.79:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 11.79:1, or use it exclusively for decorative purposes.
The complementary colour #BF20DF creates maximum visual tension when paired with #40DF20. For more harmonious color combinations, use the analogous colours #9FDF20 and #20DF60, 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 #40DF20
- 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 #40DF20?
- #40DF20 is Color #40DF20, a green color (colour) with RGB(64, 223, 32), HSL(110, 75%, 50%), and CMYK(71%, 0%, 86%, 13%). Its perceived brightness is 154/255.
- Is #40DF20 accessible for text?
- Against white, #40DF20 has a contrast ratio of 1.78:1 (fails AA for normal text). Against black, it has 11.79:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #40DF20?
- The complementary colour is #BF20DF (hue 290). For subtle color combinations, use analogous colours #9FDF20 and #20DF60. The triadic palette adds #2040DF and #DF2040 for vibrant variety.
- How do I use #40DF20 in CSS?
- Use any format: color: #40df20; or rgb(64, 223, 32); or hsl(110, 75%, 50%). For CSS custom properties: --color-primary: 110 75% 50%; 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.