Color #12D3CD Color / Colour Code #12D3CD
This page shows the hex color code for color #12d3cd (#12D3CD). The colour is a cyan tone with 84% saturation and 45% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #12D3CD against common backgrounds.
Complementary Colors
#12D3CD 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 #12D3CD
Five shades at lightness levels 15% through 85% while keeping hue at 178 and saturation at 84%. 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 #12D3CD
Lightness variations at hue 178 and 84% saturation.
CSS Gradients with #12D3CD
Design Use Cases for #12D3CD
Vibrant Brand Color
#12D3CD has a strong 84% 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.
Primary Interface Color
At 45% lightness, #12D3CD is in the mid-range, making it ideal for interactive elements like buttons, links, and selected states. This lightness level ensures good contrast against both light and dark adjacent elements in most layouts.
Clarity & Technology
#12D3CD 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 #12D3CD (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, #12d3cd, #d31219);
CSS Code for #12D3CD
Similar Colors
Colors visually similar to #12D3CD based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #12D3CD across image editing and color design tools.
About Color #12D3CD (#12D3CD)
#12D3CD is a cyan color (colour) with RGB channel values of 18 red, 211 green, and 205 blue. The green channel is dominant by a ratio of 11.7:1 over the weakest channel. In HSL terms, the hue sits at 178 degrees with 84% saturation and 45% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #12D3CD is 153/255 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 91% cyan, 0% magenta, 3% yellow, and 17% key (black).
The WCAG contrast ratio of #12D3CD against white is 1.87:1 and against black is 11.22:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 11.22:1, or use it exclusively for decorative purposes.
The complementary colour #D31219 creates maximum visual tension when paired with #12D3CD. For more harmonious color combinations, use the analogous colours #12D36C and #1279D3, 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 #12D3CD
- 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 #12D3CD?
- #12D3CD is Color #12D3CD, a cyan color (colour) with RGB(18, 211, 205), HSL(178, 84%, 45%), and CMYK(91%, 0%, 3%, 17%). Its perceived brightness is 153/255.
- Is #12D3CD accessible for text?
- Against white, #12D3CD has a contrast ratio of 1.87:1 (fails AA for normal text). Against black, it has 11.22:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #12D3CD?
- The complementary colour is #D31219 (hue 358). For subtle color combinations, use analogous colours #12D36C and #1279D3. The triadic palette adds #CD12D3 and #D3CD12 for vibrant variety.
- How do I use #12D3CD in CSS?
- Use any format: color: #12d3cd; or rgb(18, 211, 205); or hsl(178, 84%, 45%). For CSS custom properties: --color-primary: 178 84% 45%; 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.