Color #A4EFE3 Color / Colour Code #A4EFE3
This page shows the hex color code for color #a4efe3 (#A4EFE3). The colour is a cyan tone with 70% saturation and 79% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #A4EFE3 against common backgrounds.
Complementary Colors
#A4EFE3 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 #A4EFE3
Five shades at lightness levels 15% through 85% while keeping hue at 170 and saturation at 70%. 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 #A4EFE3
Lightness variations at hue 170 and 70% saturation.
CSS Gradients with #A4EFE3
Design Use Cases for #A4EFE3
Vibrant Brand Color
#A4EFE3 has a strong 70% 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
#A4EFE3 at 79% 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.
Clarity & Technology
#A4EFE3 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 #A4EFE3 (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, #a4efe3, #efa4b0);
CSS Code for #A4EFE3
Similar Colors
Colors visually similar to #A4EFE3 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #A4EFE3 across image editing and color design tools.
About Color #A4EFE3 (#A4EFE3)
#A4EFE3 is a cyan color (colour) with RGB channel values of 164 red, 239 green, and 227 blue. The green channel is dominant with a relatively balanced channel distribution. In HSL terms, the hue sits at 170 degrees with 70% saturation and 79% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #A4EFE3 is 215/255 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 31% cyan, 0% magenta, 5% yellow, and 6% key (black).
The WCAG contrast ratio of #A4EFE3 against white is 1.31:1 and against black is 16.03:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 16.03:1, or use it exclusively for decorative purposes.
The complementary colour #EFA4B0 creates maximum visual tension when paired with #A4EFE3. For more harmonious color combinations, use the analogous colours #A4EFBD and #A4D6EF, 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 #A4EFE3
- 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 #A4EFE3?
- #A4EFE3 is Color #A4EFE3, a cyan color (colour) with RGB(164, 239, 227), HSL(170, 70%, 79%), and CMYK(31%, 0%, 5%, 6%). Its perceived brightness is 215/255.
- Is #A4EFE3 accessible for text?
- Against white, #A4EFE3 has a contrast ratio of 1.31:1 (fails AA for normal text). Against black, it has 16.03:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #A4EFE3?
- The complementary colour is #EFA4B0 (hue 350). For subtle color combinations, use analogous colours #A4EFBD and #A4D6EF. The triadic palette adds #E2A4EF and #EFE2A4 for vibrant variety.
- How do I use #A4EFE3 in CSS?
- Use any format: color: #a4efe3; or rgb(164, 239, 227); or hsl(170, 70%, 79%). For CSS custom properties: --color-primary: 170 70% 79%; 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.