Color

#646359

#646359
hex#646359
rgbrgb(100, 99, 89)
hslhsl(55, 6%, 37%)
oklchoklch(0.497 0.016 102.3)
Closest name: Black Forest (#5e6354)Relative luminance 0.1235

Tints & shades

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

Harmonies

Complementary

Open in tool →

#595a64

#645d59 · #5f6459

#596463 · #635964

Split-complementary

Open in tool →

#595f64 · #5d5964

#59645d · #595a64 · #64595f

Contrast

#646359 as textRatioAAAA largeAAAFix
Aaon white
6.05:1passpassfail
  • AAA: use #59584f as the text (7.16:1)
Aaon black
3.47:1failpassfail
  • AA: use #777669 as the text (4.58:1)
  • AAA: use #98978b as the text (7.13:1)
  • AA: or shift the background to #e0e0e0 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #646359 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#646359 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #646359
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 #646359 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/646359-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