Color #EFF5CF Color / Colour Code #EFF5CF
This page shows the hex color code for color #eff5cf (#EFF5CF). The colour is a yellow tone with 66% saturation and 89% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #EFF5CF against common backgrounds.
Complementary Colors
#EFF5CF paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 39, 69, and 99 degrees for harmonious combinations.
Triadic Palette
Three colors at 69, 189, and 309 degrees.
Color Palettes Using #EFF5CF
Five shades at lightness levels 15% through 85% while keeping hue at 69 and saturation at 66%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 69 to 114 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 69 with its complement at 249 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 #EFF5CF
Lightness variations at hue 69 and 66% saturation.
CSS Gradients with #EFF5CF
Design Use Cases for #EFF5CF
Vibrant Brand Color
#EFF5CF has a strong 66% 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.
Near-White Background
At 89% lightness, #EFF5CF is very close to white but carries a subtle yellow tint. This is perfect for alternating row backgrounds in tables, subtle section differentiation, and adding warmth or coolness to an otherwise stark white design.
Attention & Optimism
#EFF5CF is in the yellow spectrum (hue 69). 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 #EFF5CF (hue 69) to its complement at hue 249. For a subtler effect, try pairing with an analogous color at hue 99. Use CSS: background: linear-gradient(135deg, #eff5cf, #d6d0f5);
CSS Code for #EFF5CF
Similar Colors
Colors visually similar to #EFF5CF based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #EFF5CF across image editing and color design tools.
About Color #EFF5CF (#EFF5CF)
#EFF5CF is a yellow color (colour) with RGB channel values of 239 red, 245 green, and 207 blue. The green channel is dominant with a relatively balanced channel distribution. In HSL terms, the hue sits at 69 degrees with 66% saturation and 89% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #EFF5CF is 239/255 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 2% cyan, 0% magenta, 16% yellow, and 4% key (black).
The WCAG contrast ratio of #EFF5CF against white is 1.13:1 and against black is 18.63:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 18.63:1, or use it exclusively for decorative purposes.
The complementary colour #D6D0F5 creates maximum visual tension when paired with #EFF5CF. For more harmonious color combinations, use the analogous colours #F5E9D0 and #DDF5D0, 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 #EFF5CF
- 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 #EFF5CF?
- #EFF5CF is Color #EFF5CF, a yellow color (colour) with RGB(239, 245, 207), HSL(69, 66%, 89%), and CMYK(2%, 0%, 16%, 4%). Its perceived brightness is 239/255.
- Is #EFF5CF accessible for text?
- Against white, #EFF5CF has a contrast ratio of 1.13:1 (fails AA for normal text). Against black, it has 18.63:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #EFF5CF?
- The complementary colour is #D6D0F5 (hue 249). For subtle color combinations, use analogous colours #F5E9D0 and #DDF5D0. The triadic palette adds #D0F0F5 and #F5D0F0 for vibrant variety.
- How do I use #EFF5CF in CSS?
- Use any format: color: #eff5cf; or rgb(239, 245, 207); or hsl(69, 66%, 89%). For CSS custom properties: --color-primary: 69 66% 89%; 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.