Color #11EFCA Color / Colour Code #11EFCA
This page shows the hex color code for color #11efca (#11EFCA). The colour is a cyan tone with 87% saturation and 50% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #11EFCA against common backgrounds.
Complementary Colors
#11EFCA paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 140, 170, and 200 degrees for harmonious combinations.
Triadic Palette
Three colors at 170, 290, and 50 degrees.
Color Palettes Using #11EFCA
Five shades at lightness levels 15% through 85% while keeping hue at 170 and saturation at 87%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 170 to 215 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 170 with its complement at 350 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 #11EFCA
Lightness variations at hue 170 and 87% saturation.
CSS Gradients with #11EFCA
Design Use Cases for #11EFCA
High-Impact Accent
With 87% saturation, #11EFCA 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.
Soft Accent & Highlight
With 50% lightness, #11EFCA 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.
Clarity & Technology
#11EFCA is in the cyan spectrum (hue 170). Cyan evokes technology, clarity, and innovation. It works well for tech product interfaces, data visualization accents, loading indicators, and futuristic design themes. Cyan provides a modern alternative to traditional blues.
Gradient Pairing
Create a gradient from #11EFCA (hue 170) to its complement at hue 350. For a subtler effect, try pairing with an analogous color at hue 200. Use CSS: background: linear-gradient(135deg, #11efca, #ee1136);
CSS Code for #11EFCA
Similar Colors
Colors visually similar to #11EFCA based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #11EFCA across image editing and color design tools.
About Color #11EFCA (#11EFCA)
#11EFCA is a cyan color (colour) with RGB channel values of 17 red, 239 green, and 202 blue. The green channel is dominant by a ratio of 14.1:1 over the weakest channel. In HSL terms, the hue sits at 170 degrees with 87% saturation and 50% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #11EFCA is 168/255 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 93% cyan, 0% magenta, 15% yellow, and 6% key (black).
The WCAG contrast ratio of #11EFCA against white is 1.48:1 and against black is 14.22:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 14.22:1, or use it exclusively for decorative purposes.
The complementary colour #EE1136 creates maximum visual tension when paired with #11EFCA. For more harmonious color combinations, use the analogous colours #11EE5B and #11A4EE, 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 #11EFCA
- 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 #11EFCA?
- #11EFCA is Color #11EFCA, a cyan color (colour) with RGB(17, 239, 202), HSL(170, 87%, 50%), and CMYK(93%, 0%, 15%, 6%). Its perceived brightness is 168/255.
- Is #11EFCA accessible for text?
- Against white, #11EFCA has a contrast ratio of 1.48:1 (fails AA for normal text). Against black, it has 14.22:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #11EFCA?
- The complementary colour is #EE1136 (hue 350). For subtle color combinations, use analogous colours #11EE5B and #11A4EE. The triadic palette adds #C911EE and #EEC911 for vibrant variety.
- How do I use #11EFCA in CSS?
- Use any format: color: #11efca; or rgb(17, 239, 202); or hsl(170, 87%, 50%). For CSS custom properties: --color-primary: 170 87% 50%; 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.