Color #ECBF00 Color / Colour Code #ECBF00
This page shows the hex color code for color #ecbf00 (#ECBF00). The colour is a yellow tone with 100% saturation and 46% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #ECBF00 against common backgrounds.
Complementary Colors
#ECBF00 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 19, 49, and 79 degrees for harmonious combinations.
Triadic Palette
Three colors at 49, 169, and 289 degrees.
Color Palettes Using #ECBF00
Five shades at lightness levels 15% through 85% while keeping hue at 49 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 49 to 94 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 49 with its complement at 229 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 #ECBF00
Lightness variations at hue 49 and 100% saturation.
CSS Gradients with #ECBF00
Design Use Cases for #ECBF00
High-Impact Accent
With 100% saturation, #ECBF00 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.
Primary Interface Color
At 46% lightness, #ECBF00 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
#ECBF00 is in the yellow spectrum (hue 49). 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 #ECBF00 (hue 49) to its complement at hue 229. For a subtler effect, try pairing with an analogous color at hue 79. Use CSS: background: linear-gradient(135deg, #ecbf00, #002beb);
CSS Code for #ECBF00
Similar Colors
Colors visually similar to #ECBF00 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #ECBF00 across image editing and color design tools.
About Color #ECBF00 (#ECBF00)
#ECBF00 is a yellow color (colour) with RGB channel values of 236 red, 191 green, and 0 blue. The red channel is dominant by a ratio of 236.0:1 over the weakest channel. In HSL terms, the hue sits at 49 degrees with 100% saturation and 46% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #ECBF00 is 183/255 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, 19% magenta, 100% yellow, and 7% key (black).
The WCAG contrast ratio of #ECBF00 against white is 1.75:1 and against black is 12.02:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 12.02:1, or use it exclusively for decorative purposes.
The complementary colour #002BEB creates maximum visual tension when paired with #ECBF00. For more harmonious color combinations, use the analogous colours #EB4A00 and #A0EB00, 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 #ECBF00
- 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 #ECBF00?
- #ECBF00 is Color #ECBF00, a yellow color (colour) with RGB(236, 191, 0), HSL(49, 100%, 46%), and CMYK(0%, 19%, 100%, 7%). Its perceived brightness is 183/255.
- Is #ECBF00 accessible for text?
- Against white, #ECBF00 has a contrast ratio of 1.75:1 (fails AA for normal text). Against black, it has 12.02:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #ECBF00?
- The complementary colour is #002BEB (hue 229). For subtle color combinations, use analogous colours #EB4A00 and #A0EB00. The triadic palette adds #00EBC0 and #C000EB for vibrant variety.
- How do I use #ECBF00 in CSS?
- Use any format: color: #ecbf00; or rgb(236, 191, 0); or hsl(49, 100%, 46%). For CSS custom properties: --color-primary: 49 100% 46%; 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.