Color #ECF489 Color / Colour Code #ECF489
This page shows the hex color code for color #ecf489 (#ECF489). The colour is a yellow tone with 83% saturation and 75% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #ECF489 against common backgrounds.
Complementary Colors
#ECF489 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 34, 64, and 94 degrees for harmonious combinations.
Triadic Palette
Three colors at 64, 184, and 304 degrees.
Color Palettes Using #ECF489
Five shades at lightness levels 15% through 85% while keeping hue at 64 and saturation at 83%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 64 to 109 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 64 with its complement at 244 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 #ECF489
Lightness variations at hue 64 and 83% saturation.
CSS Gradients with #ECF489
Design Use Cases for #ECF489
Vibrant Brand Color
#ECF489 has a strong 83% 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.
Light Background Tint
#ECF489 at 75% lightness creates a gentle tinted background. Use it for section backgrounds, alert banners, or card surfaces that need to stand out from a white page without strong contrast. It adds color personality while keeping the design light and open.
Attention & Optimism
#ECF489 is in the yellow spectrum (hue 64). 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 #ECF489 (hue 64) to its complement at hue 244. For a subtler effect, try pairing with an analogous color at hue 94. Use CSS: background: linear-gradient(135deg, #ecf489, #918af4);
CSS Code for #ECF489
Similar Colors
Colors visually similar to #ECF489 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #ECF489 across image editing and color design tools.
About Color #ECF489 (#ECF489)
#ECF489 is a yellow color (colour) with RGB channel values of 236 red, 244 green, and 137 blue. The green channel is dominant with a relatively balanced channel distribution. In HSL terms, the hue sits at 64 degrees with 83% saturation and 75% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #ECF489 is 229/255 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 3% cyan, 0% magenta, 44% yellow, and 4% key (black).
The WCAG contrast ratio of #ECF489 against white is 1.18:1 and against black is 17.87:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 17.87:1, or use it exclusively for decorative purposes.
The complementary colour #918AF4 creates maximum visual tension when paired with #ECF489. For more harmonious color combinations, use the analogous colours #F4C68A and #B8F48A, 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 #ECF489
- 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 #ECF489?
- #ECF489 is Color #ECF489, a yellow color (colour) with RGB(236, 244, 137), HSL(64, 83%, 75%), and CMYK(3%, 0%, 44%, 4%). Its perceived brightness is 229/255.
- Is #ECF489 accessible for text?
- Against white, #ECF489 has a contrast ratio of 1.18:1 (fails AA for normal text). Against black, it has 17.87:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #ECF489?
- The complementary colour is #918AF4 (hue 244). For subtle color combinations, use analogous colours #F4C68A and #B8F48A. The triadic palette adds #8AEDF4 and #F48AED for vibrant variety.
- How do I use #ECF489 in CSS?
- Use any format: color: #ecf489; or rgb(236, 244, 137); or hsl(64, 83%, 75%). For CSS custom properties: --color-primary: 64 83% 75%; 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.