Color #EF99FF Color / Colour Code #EF99FF
This page shows the hex color code for color #ef99ff (#EF99FF). The colour is a purple tone with 100% saturation and 80% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #EF99FF against common backgrounds.
Complementary Colors
#EF99FF paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 261, 291, and 321 degrees for harmonious combinations.
Triadic Palette
Three colors at 291, 51, and 171 degrees.
Color Palettes Using #EF99FF
Five shades at lightness levels 15% through 85% while keeping hue at 291 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 291 to 336 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 291 with its complement at 111 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 #EF99FF
Lightness variations at hue 291 and 100% saturation.
CSS Gradients with #EF99FF
Design Use Cases for #EF99FF
High-Impact Accent
With 100% saturation, #EF99FF 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.
Light Background Tint
#EF99FF at 80% 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.
Creativity & Premium Positioning
#EF99FF falls in the purple spectrum (hue 291). Purple communicates creativity, wisdom, and luxury. It is effective for premium product highlights, creative portfolio accents, meditation app interfaces, and rewards program branding. Purple occupies a unique space between the energy of red and the calm of blue.
Gradient Pairing
Create a gradient from #EF99FF (hue 291) to its complement at hue 111. For a subtler effect, try pairing with an analogous color at hue 321. Use CSS: background: linear-gradient(135deg, #ef99ff, #a8ff99);
CSS Code for #EF99FF
Similar Colors
Colors visually similar to #EF99FF based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #EF99FF across image editing and color design tools.
About Color #EF99FF (#EF99FF)
#EF99FF is a purple color (colour) with RGB channel values of 239 red, 153 green, and 255 blue. The blue channel is dominant with a relatively balanced channel distribution. In HSL terms, the hue sits at 291 degrees with 100% saturation and 80% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #EF99FF 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 6% cyan, 40% magenta, 0% yellow, and 0% key (black).
The WCAG contrast ratio of #EF99FF against white is 1.97:1 and against black is 10.67:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 10.67:1, or use it exclusively for decorative purposes.
The complementary colour #A8FF99 creates maximum visual tension when paired with #EF99FF. For more harmonious color combinations, use the analogous colours #BD99FF and #FF99DB, 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 #EF99FF
- 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 #EF99FF?
- #EF99FF is Color #EF99FF, a purple color (colour) with RGB(239, 153, 255), HSL(291, 100%, 80%), and CMYK(6%, 40%, 0%, 0%). Its perceived brightness is 190/255.
- Is #EF99FF accessible for text?
- Against white, #EF99FF has a contrast ratio of 1.97:1 (fails AA for normal text). Against black, it has 10.67:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #EF99FF?
- The complementary colour is #A8FF99 (hue 111). For subtle color combinations, use analogous colours #BD99FF and #FF99DB. The triadic palette adds #FFF099 and #99FFF0 for vibrant variety.
- How do I use #EF99FF in CSS?
- Use any format: color: #ef99ff; or rgb(239, 153, 255); or hsl(291, 100%, 80%). For CSS custom properties: --color-primary: 291 100% 80%; 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.