Color #1FF599 Color / Colour Code #1FF599
This page shows the hex color code for color #1ff599 (#1FF599). The colour is a cyan 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 #1FF599 against common backgrounds.
Complementary Colors
#1FF599 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 124, 154, and 184 degrees for harmonious combinations.
Triadic Palette
Three colors at 154, 274, and 34 degrees.
Color Palettes Using #1FF599
Five shades at lightness levels 15% through 85% while keeping hue at 154 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 154 to 199 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 154 with its complement at 334 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 #1FF599
Lightness variations at hue 154 and 91% saturation.
CSS Gradients with #1FF599
Design Use Cases for #1FF599
High-Impact Accent
With 91% saturation, #1FF599 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, #1FF599 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.
Clarity & Technology
#1FF599 is in the cyan spectrum (hue 154). Cyan evokes technology, clarity, and innovation. It works well for tech product interfaces, data visualization accents, loading indicators, and futuristic design themes. Cyan provides a modern alternative to traditional blues.
Gradient Pairing
Create a gradient from #1FF599 (hue 154) to its complement at hue 334. For a subtler effect, try pairing with an analogous color at hue 184. Use CSS: background: linear-gradient(135deg, #1ff599, #f41f7b);
CSS Code for #1FF599
Similar Colors
Colors visually similar to #1FF599 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #1FF599 across image editing and color design tools.
About Color #1FF599 (#1FF599)
#1FF599 is a cyan color (colour) with RGB channel values of 31 red, 245 green, and 153 blue. The green channel is dominant by a ratio of 7.9:1 over the weakest channel. In HSL terms, the hue sits at 154 degrees with 91% saturation and 54% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #1FF599 is 171/255 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, 38% yellow, and 4% key (black).
The WCAG contrast ratio of #1FF599 against white is 1.44:1 and against black is 14.58:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 14.58:1, or use it exclusively for decorative purposes.
The complementary colour #F41F7B creates maximum visual tension when paired with #1FF599. For more harmonious color combinations, use the analogous colours #1FF42D and #1FE6F4, 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 #1FF599
- 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 #1FF599?
- #1FF599 is Color #1FF599, a cyan color (colour) with RGB(31, 245, 153), HSL(154, 91%, 54%), and CMYK(87%, 0%, 38%, 4%). Its perceived brightness is 171/255.
- Is #1FF599 accessible for text?
- Against white, #1FF599 has a contrast ratio of 1.44:1 (fails AA for normal text). Against black, it has 14.58:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #1FF599?
- The complementary colour is #F41F7B (hue 334). For subtle color combinations, use analogous colours #1FF42D and #1FE6F4. The triadic palette adds #981FF4 and #F4981F for vibrant variety.
- How do I use #1FF599 in CSS?
- Use any format: color: #1ff599; or rgb(31, 245, 153); or hsl(154, 91%, 54%). For CSS custom properties: --color-primary: 154 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.