Color #55DFDB Color / Colour Code #55DFDB
This page shows the hex color code for color #55dfdb (#55DFDB). The colour is a cyan tone with 68% saturation and 60% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #55DFDB against common backgrounds.
Complementary Colors
#55DFDB paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 148, 178, and 208 degrees for harmonious combinations.
Triadic Palette
Three colors at 178, 298, and 58 degrees.
Color Palettes Using #55DFDB
Five shades at lightness levels 15% through 85% while keeping hue at 178 and saturation at 68%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 178 to 223 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 178 with its complement at 358 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 #55DFDB
Lightness variations at hue 178 and 68% saturation.
CSS Gradients with #55DFDB
Design Use Cases for #55DFDB
Vibrant Brand Color
#55DFDB has a strong 68% 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 60% lightness, #55DFDB 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
#55DFDB is in the cyan spectrum (hue 178). 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 #55DFDB (hue 178) to its complement at hue 358. For a subtler effect, try pairing with an analogous color at hue 208. Use CSS: background: linear-gradient(135deg, #55dfdb, #de5458);
CSS Code for #55DFDB
Similar Colors
Colors visually similar to #55DFDB based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #55DFDB across image editing and color design tools.
About Color #55DFDB (#55DFDB)
#55DFDB is a cyan color (colour) with RGB channel values of 85 red, 223 green, and 219 blue. The green channel is dominant by a ratio of 2.6:1 over the weakest channel. In HSL terms, the hue sits at 178 degrees with 68% saturation and 60% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #55DFDB is 181/255 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 62% cyan, 0% magenta, 2% yellow, and 13% key (black).
The WCAG contrast ratio of #55DFDB against white is 1.62:1 and against black is 12.96:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 12.96:1, or use it exclusively for decorative purposes.
The complementary colour #DE5458 creates maximum visual tension when paired with #55DFDB. For more harmonious color combinations, use the analogous colours #54DE94 and #549EDE, 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 #55DFDB
- 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 #55DFDB?
- #55DFDB is Color #55DFDB, a cyan color (colour) with RGB(85, 223, 219), HSL(178, 68%, 60%), and CMYK(62%, 0%, 2%, 13%). Its perceived brightness is 181/255.
- Is #55DFDB accessible for text?
- Against white, #55DFDB has a contrast ratio of 1.62:1 (fails AA for normal text). Against black, it has 12.96:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #55DFDB?
- The complementary colour is #DE5458 (hue 358). For subtle color combinations, use analogous colours #54DE94 and #549EDE. The triadic palette adds #DA54DE and #DEDA54 for vibrant variety.
- How do I use #55DFDB in CSS?
- Use any format: color: #55dfdb; or rgb(85, 223, 219); or hsl(178, 68%, 60%). For CSS custom properties: --color-primary: 178 68% 60%; 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.