Color #FF5111 Color / Colour Code #FF5111
This page shows the hex color code for color #ff5111 (#FF5111). The colour is a orange tone with 100% saturation and 53% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #FF5111 against common backgrounds.
Complementary Colors
#FF5111 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 346, 16, and 46 degrees for harmonious combinations.
Triadic Palette
Three colors at 16, 136, and 256 degrees.
Color Palettes Using #FF5111
Five shades at lightness levels 15% through 85% while keeping hue at 16 and saturation at 100%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 16 to 61 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 16 with its complement at 196 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 #FF5111
Lightness variations at hue 16 and 100% saturation.
CSS Gradients with #FF5111
Design Use Cases for #FF5111
High-Impact Accent
With 100% saturation, #FF5111 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 53% lightness, #FF5111 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.
Warmth & Enthusiasm
#FF5111 sits in the orange range (hue 16). Orange combines the energy of red with the warmth of yellow. It works naturally for progress indicators, pricing highlights, "new" badges, and friendly call-to-action buttons. Food and fitness brands frequently use this hue range.
Gradient Pairing
Create a gradient from #FF5111 (hue 16) to its complement at hue 196. For a subtler effect, try pairing with an analogous color at hue 46. Use CSS: background: linear-gradient(135deg, #ff5111, #0fbfff);
CSS Code for #FF5111
Similar Colors
Colors visually similar to #FF5111 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #FF5111 across image editing and color design tools.
About Color #FF5111 (#FF5111)
#FF5111 is a orange color (colour) with RGB channel values of 255 red, 81 green, and 17 blue. The red channel is dominant by a ratio of 15.0:1 over the weakest channel. In HSL terms, the hue sits at 16 degrees with 100% saturation and 53% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #FF5111 is 126/255 using the ITU-R BT.601 luma formula (0.299R + 0.587G + 0.114B). This appears dark to the human eye, so pair it with light text for adequate readability. For print production, the CMYK equivalent is 0% cyan, 68% magenta, 93% yellow, and 0% key (black).
The WCAG contrast ratio of #FF5111 against white is 3.26:1 and against black is 6.44:1. This only passes AA for large text (18pt+) on white. For normal body text on white, darken the color or use it on a dark background where it achieves 6.44:1.
The complementary colour #0FBFFF creates maximum visual tension when paired with #FF5111. For more harmonious color combinations, use the analogous colours #FF0F47 and #FFC70F, 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 #FF5111
- 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 #FF5111?
- #FF5111 is Color #FF5111, a orange color (colour) with RGB(255, 81, 17), HSL(16, 100%, 53%), and CMYK(0%, 68%, 93%, 0%). Its perceived brightness is 126/255.
- Is #FF5111 accessible for text?
- Against white, #FF5111 has a contrast ratio of 3.26:1 (fails AA for normal text). Against black, it has 6.44:1 (passes AA). It passes AA for large text (18pt+) on white. Use the contrast checker tool for custom background pairings.
- What colours pair well with #FF5111?
- The complementary colour is #0FBFFF (hue 196). For subtle color combinations, use analogous colours #FF0F47 and #FFC70F. The triadic palette adds #0FFF4F and #4F0FFF for vibrant variety.
- How do I use #FF5111 in CSS?
- Use any format: color: #ff5111; or rgb(255, 81, 17); or hsl(16, 100%, 53%). For CSS custom properties: --color-primary: 16 100% 53%; 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.