Color #51C2C8 Color / Colour Code #51C2C8
This page shows the hex color code for color #51c2c8 (#51C2C8). The colour is a cyan tone with 52% saturation and 55% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #51C2C8 against common backgrounds.
Complementary Colors
#51C2C8 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 153, 183, and 213 degrees for harmonious combinations.
Triadic Palette
Three colors at 183, 303, and 63 degrees.
Color Palettes Using #51C2C8
Five shades at lightness levels 15% through 85% while keeping hue at 183 and saturation at 52%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 183 to 228 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 183 with its complement at 3 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 #51C2C8
Lightness variations at hue 183 and 52% saturation.
CSS Gradients with #51C2C8
Design Use Cases for #51C2C8
Balanced UI Color
At 52% saturation, #51C2C8 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.
Soft Accent & Highlight
With 55% lightness, #51C2C8 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
#51C2C8 is in the cyan spectrum (hue 183). 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 #51C2C8 (hue 183) to its complement at hue 3. For a subtler effect, try pairing with an analogous color at hue 213. Use CSS: background: linear-gradient(135deg, #51c2c8, #c85751);
CSS Code for #51C2C8
Similar Colors
Colors visually similar to #51C2C8 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #51C2C8 across image editing and color design tools.
About Color #51C2C8 (#51C2C8)
#51C2C8 is a cyan color (colour) with RGB channel values of 81 red, 194 green, and 200 blue. The blue channel is dominant by a ratio of 2.5:1 over the weakest channel. In HSL terms, the hue sits at 183 degrees with 52% saturation and 55% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #51C2C8 is 161/255 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 60% cyan, 3% magenta, 0% yellow, and 22% key (black).
The WCAG contrast ratio of #51C2C8 against white is 2.12:1 and against black is 9.90:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 9.90:1, or use it exclusively for decorative purposes.
The complementary colour #C85751 creates maximum visual tension when paired with #51C2C8. For more harmonious color combinations, use the analogous colours #51C892 and #5186C8, 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 #51C2C8
- 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 #51C2C8?
- #51C2C8 is Color #51C2C8, a cyan color (colour) with RGB(81, 194, 200), HSL(183, 52%, 55%), and CMYK(60%, 3%, 0%, 22%). Its perceived brightness is 161/255.
- Is #51C2C8 accessible for text?
- Against white, #51C2C8 has a contrast ratio of 2.12:1 (fails AA for normal text). Against black, it has 9.90:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #51C2C8?
- The complementary colour is #C85751 (hue 3). For subtle color combinations, use analogous colours #51C892 and #5186C8. The triadic palette adds #C851C2 and #C2C851 for vibrant variety.
- How do I use #51C2C8 in CSS?
- Use any format: color: #51c2c8; or rgb(81, 194, 200); or hsl(183, 52%, 55%). For CSS custom properties: --color-primary: 183 52% 55%; 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.