Color #EFC12E Color / Colour Code #EFC12E
This page shows the hex color code for color #efc12e (#EFC12E). The colour is a yellow tone with 86% saturation and 56% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #EFC12E against common backgrounds.
Complementary Colors
#EFC12E paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 16, 46, and 76 degrees for harmonious combinations.
Triadic Palette
Three colors at 46, 166, and 286 degrees.
Color Palettes Using #EFC12E
Five shades at lightness levels 15% through 85% while keeping hue at 46 and saturation at 86%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 46 to 91 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 46 with its complement at 226 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 #EFC12E
Lightness variations at hue 46 and 86% saturation.
CSS Gradients with #EFC12E
Design Use Cases for #EFC12E
High-Impact Accent
With 86% saturation, #EFC12E 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 56% lightness, #EFC12E 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.
Attention & Optimism
#EFC12E is in the yellow spectrum (hue 46). 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 #EFC12E (hue 46) to its complement at hue 226. For a subtler effect, try pairing with an analogous color at hue 76. Use CSS: background: linear-gradient(135deg, #efc12e, #2e5bef);
CSS Code for #EFC12E
Similar Colors
Colors visually similar to #EFC12E based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #EFC12E across image editing and color design tools.
About Color #EFC12E (#EFC12E)
#EFC12E is a yellow color (colour) with RGB channel values of 239 red, 193 green, and 46 blue. The red channel is dominant by a ratio of 5.2:1 over the weakest channel. In HSL terms, the hue sits at 46 degrees with 86% saturation and 56% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #EFC12E is 190/255 using the ITU-R BT.601 luma formula (0.299R + 0.587G + 0.114B). This means it appears bright to the human eye and is best paired with dark text for readability. For print production, the CMYK equivalent is 0% cyan, 19% magenta, 81% yellow, and 6% key (black).
The WCAG contrast ratio of #EFC12E against white is 1.70:1 and against black is 12.34:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 12.34:1, or use it exclusively for decorative purposes.
The complementary colour #2E5BEF creates maximum visual tension when paired with #EFC12E. For more harmonious color combinations, use the analogous colours #EF622E and #BCEF2E, 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 #EFC12E
- 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 #EFC12E?
- #EFC12E is Color #EFC12E, a yellow color (colour) with RGB(239, 193, 46), HSL(46, 86%, 56%), and CMYK(0%, 19%, 81%, 6%). Its perceived brightness is 190/255.
- Is #EFC12E accessible for text?
- Against white, #EFC12E has a contrast ratio of 1.70:1 (fails AA for normal text). Against black, it has 12.34:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #EFC12E?
- The complementary colour is #2E5BEF (hue 226). For subtle color combinations, use analogous colours #EF622E and #BCEF2E. The triadic palette adds #2EEFC2 and #C22EEF for vibrant variety.
- How do I use #EFC12E in CSS?
- Use any format: color: #efc12e; or rgb(239, 193, 46); or hsl(46, 86%, 56%). For CSS custom properties: --color-primary: 46 86% 56%; 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.