Color #78DDEB Color / Colour Code #78DDEB
This page shows the hex color code for color #78ddeb (#78DDEB). The colour is a cyan tone with 74% saturation and 70% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #78DDEB against common backgrounds.
Complementary Colors
#78DDEB paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 157, 187, and 217 degrees for harmonious combinations.
Triadic Palette
Three colors at 187, 307, and 67 degrees.
Color Palettes Using #78DDEB
Five shades at lightness levels 15% through 85% while keeping hue at 187 and saturation at 74%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 187 to 232 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 187 with its complement at 7 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 #78DDEB
Lightness variations at hue 187 and 74% saturation.
CSS Gradients with #78DDEB
Design Use Cases for #78DDEB
Vibrant Brand Color
#78DDEB has a strong 74% 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
#78DDEB at 70% 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
#78DDEB is in the cyan spectrum (hue 187). 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 #78DDEB (hue 187) to its complement at hue 7. For a subtler effect, try pairing with an analogous color at hue 217. Use CSS: background: linear-gradient(135deg, #78ddeb, #eb877a);
CSS Code for #78DDEB
Similar Colors
Colors visually similar to #78DDEB based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #78DDEB across image editing and color design tools.
About Color #78DDEB (#78DDEB)
#78DDEB is a cyan color (colour) with RGB channel values of 120 red, 221 green, and 235 blue. The blue channel is dominant with a relatively balanced channel distribution. In HSL terms, the hue sits at 187 degrees with 74% saturation and 70% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #78DDEB is 192/255 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 49% cyan, 6% magenta, 0% yellow, and 8% key (black).
The WCAG contrast ratio of #78DDEB against white is 1.57:1 and against black is 13.34:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 13.34:1, or use it exclusively for decorative purposes.
The complementary colour #EB877A creates maximum visual tension when paired with #78DDEB. For more harmonious color combinations, use the analogous colours #7AEBC0 and #7AA5EB, 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 #78DDEB
- 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 #78DDEB?
- #78DDEB is Color #78DDEB, a cyan color (colour) with RGB(120, 221, 235), HSL(187, 74%, 70%), and CMYK(49%, 6%, 0%, 8%). Its perceived brightness is 192/255.
- Is #78DDEB accessible for text?
- Against white, #78DDEB has a contrast ratio of 1.57:1 (fails AA for normal text). Against black, it has 13.34:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #78DDEB?
- The complementary colour is #EB877A (hue 7). For subtle color combinations, use analogous colours #7AEBC0 and #7AA5EB. The triadic palette adds #EB7ADE and #DEEB7A for vibrant variety.
- How do I use #78DDEB in CSS?
- Use any format: color: #78ddeb; or rgb(120, 221, 235); or hsl(187, 74%, 70%). For CSS custom properties: --color-primary: 187 74% 70%; 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.