Color #EF66BC Color / Colour Code #EF66BC
This page shows the hex color code for color #ef66bc (#EF66BC). The colour is a pink tone with 81% saturation and 67% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #EF66BC against common backgrounds.
Complementary Colors
#EF66BC paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 292, 322, and 352 degrees for harmonious combinations.
Triadic Palette
Three colors at 322, 82, and 202 degrees.
Color Palettes Using #EF66BC
Five shades at lightness levels 15% through 85% while keeping hue at 322 and saturation at 81%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 322 to 7 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 322 with its complement at 142 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 #EF66BC
Lightness variations at hue 322 and 81% saturation.
CSS Gradients with #EF66BC
Design Use Cases for #EF66BC
Vibrant Brand Color
#EF66BC has a strong 81% 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.
Soft Accent & Highlight
With 67% lightness, #EF66BC 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.
Playfulness & Compassion
#EF66BC is in the pink range (hue 322). Pink ranges from energetic to gentle depending on saturation and lightness. Use it for beauty and cosmetics branding, social app interfaces, Valentine's themes, and youth-oriented design. Desaturated pinks work well as soft background tints.
Gradient Pairing
Create a gradient from #EF66BC (hue 322) to its complement at hue 142. For a subtler effect, try pairing with an analogous color at hue 352. Use CSS: background: linear-gradient(135deg, #ef66bc, #67ef99);
CSS Code for #EF66BC
Similar Colors
Colors visually similar to #EF66BC based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #EF66BC across image editing and color design tools.
About Color #EF66BC (#EF66BC)
#EF66BC is a pink color (colour) with RGB channel values of 239 red, 102 green, and 188 blue. The red channel is dominant by a ratio of 2.3:1 over the weakest channel. In HSL terms, the hue sits at 322 degrees with 81% saturation and 67% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #EF66BC is 153/255 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, 57% magenta, 21% yellow, and 6% key (black).
The WCAG contrast ratio of #EF66BC against white is 2.88:1 and against black is 7.30:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 7.30:1, or use it exclusively for decorative purposes.
The complementary colour #67EF99 creates maximum visual tension when paired with #EF66BC. For more harmonious color combinations, use the analogous colours #DD67EF and #EF6779, 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 #EF66BC
- 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 #EF66BC?
- #EF66BC is Color #EF66BC, a pink color (colour) with RGB(239, 102, 188), HSL(322, 81%, 67%), and CMYK(0%, 57%, 21%, 6%). Its perceived brightness is 153/255.
- Is #EF66BC accessible for text?
- Against white, #EF66BC has a contrast ratio of 2.88:1 (fails AA for normal text). Against black, it has 7.30:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #EF66BC?
- The complementary colour is #67EF99 (hue 142). For subtle color combinations, use analogous colours #DD67EF and #EF6779. The triadic palette adds #BDEF67 and #67BDEF for vibrant variety.
- How do I use #EF66BC in CSS?
- Use any format: color: #ef66bc; or rgb(239, 102, 188); or hsl(322, 81%, 67%). For CSS custom properties: --color-primary: 322 81% 67%; 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.