Color #39EF2A Color / Colour Code #39EF2A
This page shows the hex color code for color #39ef2a (#39EF2A). The colour is a green tone with 86% saturation and 55% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #39EF2A against common backgrounds.
Complementary Colors
#39EF2A paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 85, 115, and 145 degrees for harmonious combinations.
Triadic Palette
Three colors at 115, 235, and 355 degrees.
Color Palettes Using #39EF2A
Five shades at lightness levels 15% through 85% while keeping hue at 115 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 115 to 160 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 115 with its complement at 295 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 #39EF2A
Lightness variations at hue 115 and 86% saturation.
CSS Gradients with #39EF2A
Design Use Cases for #39EF2A
High-Impact Accent
With 86% saturation, #39EF2A 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 55% lightness, #39EF2A 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
#39EF2A falls in the green range (hue 115). 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 #39EF2A (hue 115) to its complement at hue 295. For a subtler effect, try pairing with an analogous color at hue 145. Use CSS: background: linear-gradient(135deg, #39ef2a, #de2aef);
CSS Code for #39EF2A
Similar Colors
Colors visually similar to #39EF2A based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #39EF2A across image editing and color design tools.
About Color #39EF2A (#39EF2A)
#39EF2A is a green color (colour) with RGB channel values of 57 red, 239 green, and 42 blue. The green channel is dominant by a ratio of 5.7:1 over the weakest channel. In HSL terms, the hue sits at 115 degrees with 86% saturation and 55% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #39EF2A is 162/255 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 76% cyan, 0% magenta, 82% yellow, and 6% key (black).
The WCAG contrast ratio of #39EF2A against white is 1.55:1 and against black is 13.55:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 13.55:1, or use it exclusively for decorative purposes.
The complementary colour #DE2AEF creates maximum visual tension when paired with #39EF2A. For more harmonious color combinations, use the analogous colours #9DEF2A and #2AEF7C, 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 #39EF2A
- 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 #39EF2A?
- #39EF2A is Color #39EF2A, a green color (colour) with RGB(57, 239, 42), HSL(115, 86%, 55%), and CMYK(76%, 0%, 82%, 6%). Its perceived brightness is 162/255.
- Is #39EF2A accessible for text?
- Against white, #39EF2A has a contrast ratio of 1.55:1 (fails AA for normal text). Against black, it has 13.55:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #39EF2A?
- The complementary colour is #DE2AEF (hue 295). For subtle color combinations, use analogous colours #9DEF2A and #2AEF7C. The triadic palette adds #2A3AEF and #EF2A3A for vibrant variety.
- How do I use #39EF2A in CSS?
- Use any format: color: #39ef2a; or rgb(57, 239, 42); or hsl(115, 86%, 55%). For CSS custom properties: --color-primary: 115 86% 55%; 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.