Color #ACA039 Color / Colour Code #ACA039
This page shows the hex color code for color #aca039 (#ACA039). The colour is a yellow tone with 50% saturation and 45% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #ACA039 against common backgrounds.
Complementary Colors
#ACA039 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 24, 54, and 84 degrees for harmonious combinations.
Triadic Palette
Three colors at 54, 174, and 294 degrees.
Color Palettes Using #ACA039
Five shades at lightness levels 15% through 85% while keeping hue at 54 and saturation at 50%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 54 to 99 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 54 with its complement at 234 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 #ACA039
Lightness variations at hue 54 and 50% saturation.
CSS Gradients with #ACA039
Design Use Cases for #ACA039
Balanced UI Color
At 50% saturation, #ACA039 strikes a balance between vibrancy and restraint. This makes it versatile for primary UI elements like navigation bars, card headers, and form accents. It draws attention without overwhelming adjacent content.
Primary Interface Color
At 45% lightness, #ACA039 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.
Attention & Optimism
#ACA039 is in the yellow spectrum (hue 54). Yellow attracts attention faster than any other color. Use it for warning labels, featured content markers, star ratings, and tooltip backgrounds. Pair with dark text since yellow often fails contrast checks against white.
Gradient Pairing
Create a gradient from #ACA039 (hue 54) to its complement at hue 234. For a subtler effect, try pairing with an analogous color at hue 84. Use CSS: background: linear-gradient(135deg, #aca039, #3945ac);
CSS Code for #ACA039
Similar Colors
Colors visually similar to #ACA039 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #ACA039 across image editing and color design tools.
About Color #ACA039 (#ACA039)
#ACA039 is a yellow color (colour) with RGB channel values of 172 red, 160 green, and 57 blue. The red channel is dominant by a ratio of 3.0:1 over the weakest channel. In HSL terms, the hue sits at 54 degrees with 50% saturation and 45% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #ACA039 is 152/255 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 0% cyan, 7% magenta, 67% yellow, and 33% key (black).
The WCAG contrast ratio of #ACA039 against white is 2.68:1 and against black is 7.84:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 7.84:1, or use it exclusively for decorative purposes.
The complementary colour #3945AC creates maximum visual tension when paired with #ACA039. For more harmonious color combinations, use the analogous colours #AC6739 and #7EAC39, 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 #ACA039
- 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 #ACA039?
- #ACA039 is Color #ACA039, a yellow color (colour) with RGB(172, 160, 57), HSL(54, 50%, 45%), and CMYK(0%, 7%, 67%, 33%). Its perceived brightness is 152/255.
- Is #ACA039 accessible for text?
- Against white, #ACA039 has a contrast ratio of 2.68:1 (fails AA for normal text). Against black, it has 7.84:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #ACA039?
- The complementary colour is #3945AC (hue 234). For subtle color combinations, use analogous colours #AC6739 and #7EAC39. The triadic palette adds #39ACA1 and #A139AC for vibrant variety.
- How do I use #ACA039 in CSS?
- Use any format: color: #aca039; or rgb(172, 160, 57); or hsl(54, 50%, 45%). For CSS custom properties: --color-primary: 54 50% 45%; 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.