Color #1FF55B Color / Colour Code #1FF55B
This page shows the hex color code for color #1ff55b (#1FF55B). The colour is a green tone with 91% saturation and 54% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #1FF55B against common backgrounds.
Complementary Colors
#1FF55B paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 107, 137, and 167 degrees for harmonious combinations.
Triadic Palette
Three colors at 137, 257, and 17 degrees.
Color Palettes Using #1FF55B
Five shades at lightness levels 15% through 85% while keeping hue at 137 and saturation at 91%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 137 to 182 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 137 with its complement at 317 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 #1FF55B
Lightness variations at hue 137 and 91% saturation.
CSS Gradients with #1FF55B
Design Use Cases for #1FF55B
High-Impact Accent
With 91% saturation, #1FF55B 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 54% lightness, #1FF55B 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
#1FF55B falls in the green range (hue 137). 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 #1FF55B (hue 137) to its complement at hue 317. For a subtler effect, try pairing with an analogous color at hue 167. Use CSS: background: linear-gradient(135deg, #1ff55b, #f41fb8);
CSS Code for #1FF55B
Similar Colors
Colors visually similar to #1FF55B based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #1FF55B across image editing and color design tools.
About Color #1FF55B (#1FF55B)
#1FF55B is a green color (colour) with RGB channel values of 31 red, 245 green, and 91 blue. The green channel is dominant by a ratio of 7.9:1 over the weakest channel. In HSL terms, the hue sits at 137 degrees with 91% saturation and 54% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #1FF55B is 163/255 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 87% cyan, 0% magenta, 63% yellow, and 4% key (black).
The WCAG contrast ratio of #1FF55B against white is 1.47:1 and against black is 14.27:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 14.27:1, or use it exclusively for decorative purposes.
The complementary colour #F41FB8 creates maximum visual tension when paired with #1FF55B. For more harmonious color combinations, use the analogous colours #4DF41F and #1FF4C6, 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 #1FF55B
- 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 #1FF55B?
- #1FF55B is Color #1FF55B, a green color (colour) with RGB(31, 245, 91), HSL(137, 91%, 54%), and CMYK(87%, 0%, 63%, 4%). Its perceived brightness is 163/255.
- Is #1FF55B accessible for text?
- Against white, #1FF55B has a contrast ratio of 1.47:1 (fails AA for normal text). Against black, it has 14.27:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #1FF55B?
- The complementary colour is #F41FB8 (hue 317). For subtle color combinations, use analogous colours #4DF41F and #1FF4C6. The triadic palette adds #5B1FF4 and #F45B1F for vibrant variety.
- How do I use #1FF55B in CSS?
- Use any format: color: #1ff55b; or rgb(31, 245, 91); or hsl(137, 91%, 54%). For CSS custom properties: --color-primary: 137 91% 54%; 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.