Color

#171618

#171618
hex#171618
rgbrgb(23, 22, 24)
hslhsl(270, 4%, 9%)
oklchoklch(0.202 0.004 308.2)
Closest name: Eigengrau (#16161d)Relative luminance 0.0082

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#171816

#161618 · #181618

#181716 · #161817

Split-complementary

Open in tool →

#181816 · #161816

#181616 · #171816 · #161818

Contrast

#171618 as textRatioAAAA largeAAAFix
Aaon white
18.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.16:1failfailfail
  • AA: use #78737d as the text (4.55:1)
  • AAA: use #99959d as the text (7.14:1)
  • AA: or shift the background to #808080 (4.57:1)
  • AAA: or shift the background to #a3a3a3 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #171618 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#171618 reads as neutral, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #171618
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #171618 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/171618-a2beb0-c859d4-1f2d2b-eaf1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md