Color #006366 Color / Colour Code #006366
This page shows the hex color code for color #006366 (#006366). The colour is a cyan tone with 100% saturation and 20% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #006366 against common backgrounds.
Complementary Colors
#006366 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 152, 182, and 212 degrees for harmonious combinations.
Triadic Palette
Three colors at 182, 302, and 62 degrees.
Color Palettes Using #006366
Five shades at lightness levels 15% through 85% while keeping hue at 182 and saturation at 100%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 182 to 227 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 182 with its complement at 2 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 #006366
Lightness variations at hue 182 and 100% saturation.
CSS Gradients with #006366
Design Use Cases for #006366
High-Impact Accent
With 100% saturation, #006366 is highly vivid. Reserve this for elements that need maximum attention: primary action buttons, notification badges, error states, or promotional banners. Use sparingly alongside neutral tones to avoid visual fatigue.
Deep Accent & Text Color
#006366 at 20% lightness is dark enough for readable body text on light backgrounds while retaining its cyan character. Use for headings, emphasized text, or deep accent borders. It provides contrast without the harshness of pure black.
Clarity & Technology
#006366 is in the cyan spectrum (hue 182). 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 #006366 (hue 182) to its complement at hue 2. For a subtler effect, try pairing with an analogous color at hue 212. Use CSS: background: linear-gradient(135deg, #006366, #660300);
CSS Code for #006366
Similar Colors
Colors visually similar to #006366 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #006366 across image editing and color design tools.
About Color #006366 (#006366)
#006366 is a cyan color (colour) with RGB channel values of 0 red, 99 green, and 102 blue. The blue channel is dominant by a ratio of 102.0:1 over the weakest channel. In HSL terms, the hue sits at 182 degrees with 100% saturation and 20% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #006366 is 70/255 using the ITU-R BT.601 luma formula (0.299R + 0.587G + 0.114B). This appears dark to the human eye, so pair it with light text for adequate readability. For print production, the CMYK equivalent is 100% cyan, 3% magenta, 0% yellow, and 60% key (black).
The WCAG contrast ratio of #006366 against white is 7.06:1 and against black is 2.98:1. This exceeds the AAA requirement (7:1) for normal text on white, making it excellent for body text and small UI labels on light backgrounds.
The complementary colour #660300 creates maximum visual tension when paired with #006366. For more harmonious color combinations, use the analogous colours #006636 and #003066, 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 #006366
- 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 #006366?
- #006366 is Color #006366, a cyan color (colour) with RGB(0, 99, 102), HSL(182, 100%, 20%), and CMYK(100%, 3%, 0%, 60%). Its perceived brightness is 70/255.
- Is #006366 accessible for text?
- Against white, #006366 has a contrast ratio of 7.06:1 (passes AA for normal text). Against black, it has 2.98:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #006366?
- The complementary colour is #660300 (hue 2). For subtle color combinations, use analogous colours #006636 and #003066. The triadic palette adds #660063 and #636600 for vibrant variety.
- How do I use #006366 in CSS?
- Use any format: color: #006366; or rgb(0, 99, 102); or hsl(182, 100%, 20%). For CSS custom properties: --color-primary: 182 100% 20%; 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.