Color #16645B Color / Colour Code #16645B
This page shows the hex color code for color #16645b (#16645B). The colour is a cyan tone with 64% saturation and 24% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #16645B against common backgrounds.
Complementary Colors
#16645B paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 143, 173, and 203 degrees for harmonious combinations.
Triadic Palette
Three colors at 173, 293, and 53 degrees.
Color Palettes Using #16645B
Five shades at lightness levels 15% through 85% while keeping hue at 173 and saturation at 64%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 173 to 218 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 173 with its complement at 353 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 #16645B
Lightness variations at hue 173 and 64% saturation.
CSS Gradients with #16645B
Design Use Cases for #16645B
Vibrant Brand Color
#16645B has a strong 64% 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.
Deep Accent & Text Color
#16645B at 24% 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
#16645B is in the cyan spectrum (hue 173). 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 #16645B (hue 173) to its complement at hue 353. For a subtler effect, try pairing with an analogous color at hue 203. Use CSS: background: linear-gradient(135deg, #16645b, #64161f);
CSS Code for #16645B
Similar Colors
Colors visually similar to #16645B based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #16645B across image editing and color design tools.
About Color #16645B (#16645B)
#16645B is a cyan color (colour) with RGB channel values of 22 red, 100 green, and 91 blue. The green channel is dominant by a ratio of 4.5:1 over the weakest channel. In HSL terms, the hue sits at 173 degrees with 64% saturation and 24% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #16645B is 76/255 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 78% cyan, 0% magenta, 9% yellow, and 61% key (black).
The WCAG contrast ratio of #16645B against white is 6.98:1 and against black is 3.01:1. This meets the AA requirement (4.5:1) for normal text on white. For AAA compliance, consider darkening to at least 17% lightness.
The complementary colour #64161F creates maximum visual tension when paired with #16645B. For more harmonious color combinations, use the analogous colours #166434 and #164664, 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 #16645B
- 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 #16645B?
- #16645B is Color #16645B, a cyan color (colour) with RGB(22, 100, 91), HSL(173, 64%, 24%), and CMYK(78%, 0%, 9%, 61%). Its perceived brightness is 76/255.
- Is #16645B accessible for text?
- Against white, #16645B has a contrast ratio of 6.98:1 (passes AA for normal text). Against black, it has 3.01:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #16645B?
- The complementary colour is #64161F (hue 353). For subtle color combinations, use analogous colours #166434 and #164664. The triadic palette adds #5B1664 and #645B16 for vibrant variety.
- How do I use #16645B in CSS?
- Use any format: color: #16645b; or rgb(22, 100, 91); or hsl(173, 64%, 24%). For CSS custom properties: --color-primary: 173 64% 24%; 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.