Color #AC471C Color / Colour Code #AC471C
This page shows the hex color code for color #ac471c (#AC471C). The colour is a orange tone with 72% saturation and 39% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #AC471C against common backgrounds.
Complementary Colors
#AC471C paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 348, 18, and 48 degrees for harmonious combinations.
Triadic Palette
Three colors at 18, 138, and 258 degrees.
Color Palettes Using #AC471C
Five shades at lightness levels 15% through 85% while keeping hue at 18 and saturation at 72%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 18 to 63 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 18 with its complement at 198 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 #AC471C
Lightness variations at hue 18 and 72% saturation.
CSS Gradients with #AC471C
Design Use Cases for #AC471C
Vibrant Brand Color
#AC471C has a strong 72% 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.
Primary Interface Color
At 39% lightness, #AC471C is in the mid-range, making it ideal for interactive elements like buttons, links, and selected states. This lightness level ensures good contrast against both light and dark adjacent elements in most layouts.
Warmth & Enthusiasm
#AC471C sits in the orange range (hue 18). 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 #AC471C (hue 18) to its complement at hue 198. For a subtler effect, try pairing with an analogous color at hue 48. Use CSS: background: linear-gradient(135deg, #ac471c, #1c80ab);
CSS Code for #AC471C
Similar Colors
Colors visually similar to #AC471C based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #AC471C across image editing and color design tools.
About Color #AC471C (#AC471C)
#AC471C is a orange color (colour) with RGB channel values of 172 red, 71 green, and 28 blue. The red channel is dominant by a ratio of 6.1:1 over the weakest channel. In HSL terms, the hue sits at 18 degrees with 72% saturation and 39% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #AC471C is 96/255 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, 59% magenta, 84% yellow, and 33% key (black).
The WCAG contrast ratio of #AC471C against white is 5.72:1 and against black is 3.67:1. This meets the AA requirement (4.5:1) for normal text on white. For AAA compliance, consider darkening to at least 27% lightness.
The complementary colour #1C80AB creates maximum visual tension when paired with #AC471C. For more harmonious color combinations, use the analogous colours #AB1C38 and #AB8E1C, 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 #AC471C
- 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 #AC471C?
- #AC471C is Color #AC471C, a orange color (colour) with RGB(172, 71, 28), HSL(18, 72%, 39%), and CMYK(0%, 59%, 84%, 33%). Its perceived brightness is 96/255.
- Is #AC471C accessible for text?
- Against white, #AC471C has a contrast ratio of 5.72:1 (passes AA for normal text). Against black, it has 3.67:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #AC471C?
- The complementary colour is #1C80AB (hue 198). For subtle color combinations, use analogous colours #AB1C38 and #AB8E1C. The triadic palette adds #1CAB47 and #471CAB for vibrant variety.
- How do I use #AC471C in CSS?
- Use any format: color: #ac471c; or rgb(172, 71, 28); or hsl(18, 72%, 39%). For CSS custom properties: --color-primary: 18 72% 39%; 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.