Aqua Color / Colour Code #CDE4DE
This page shows the hex color code for aqua (#CDE4DE). The colour is a cyan tone with 30% saturation and 85% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #CDE4DE against common backgrounds.
Complementary Colors
#CDE4DE paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 134, 164, and 194 degrees for harmonious combinations.
Triadic Palette
Three colors at 164, 284, and 44 degrees.
Color Palettes Using #CDE4DE
Five shades at lightness levels 15% through 85% while keeping hue at 164 and saturation at 30%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 164 to 209 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 164 with its complement at 344 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 #CDE4DE
Lightness variations at hue 164 and 30% saturation.
CSS Gradients with #CDE4DE
Design Use Cases for #CDE4DE
Balanced UI Color
At 30% saturation, #CDE4DE strikes a balance between vibrancy and restraint. This makes it versatile for primary UI elements like navigation bars, card headers, and form accents. It draws attention without overwhelming adjacent content.
Near-White Background
At 85% lightness, #CDE4DE is very close to white but carries a subtle cyan tint. This is perfect for alternating row backgrounds in tables, subtle section differentiation, and adding warmth or coolness to an otherwise stark white design.
Clarity & Technology
#CDE4DE is in the cyan spectrum (hue 164). 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 #CDE4DE (hue 164) to its complement at hue 344. For a subtler effect, try pairing with an analogous color at hue 194. Use CSS: background: linear-gradient(135deg, #cde4de, #e4cdd3);
CSS Code for #CDE4DE
Similar Colors
Colors visually similar to #CDE4DE based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #CDE4DE across image editing and color design tools.
About Aqua (#CDE4DE)
#CDE4DE is a cyan color (colour) with RGB channel values of 205 red, 228 green, and 222 blue. The green channel is dominant with a relatively balanced channel distribution. In HSL terms, the hue sits at 164 degrees with 30% saturation and 85% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #CDE4DE is 220/255 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 10% cyan, 0% magenta, 3% yellow, and 11% key (black).
The WCAG contrast ratio of #CDE4DE against white is 1.33:1 and against black is 15.75:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 15.75:1, or use it exclusively for decorative purposes.
The complementary colour #E4CDD3 creates maximum visual tension when paired with #CDE4DE. For more harmonious color combinations, use the analogous colours #CDE4D3 and #CDDFE4, 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 #CDE4DE
- 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 #CDE4DE?
- #CDE4DE is Aqua, a cyan color (colour) with RGB(205, 228, 222), HSL(164, 30%, 85%), and CMYK(10%, 0%, 3%, 11%). Its perceived brightness is 220/255.
- Is #CDE4DE accessible for text?
- Against white, #CDE4DE has a contrast ratio of 1.33:1 (fails AA for normal text). Against black, it has 15.75:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #CDE4DE?
- The complementary colour is #E4CDD3 (hue 344). For subtle color combinations, use analogous colours #CDE4D3 and #CDDFE4. The triadic palette adds #DECDE4 and #E4DECD for vibrant variety.
- How do I use #CDE4DE in CSS?
- Use any format: color: #cde4de; or rgb(205, 228, 222); or hsl(164, 30%, 85%). For CSS custom properties: --color-primary: 164 30% 85%; 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.