Color

#586151

#586151
hex#586151
rgbrgb(88, 97, 81)
hslhsl(94, 9%, 35%)
oklchoklch(0.48 0.027 131.4)
Closest name: Black Forest (#5e6354)Relative luminance 0.1122

Colors that go with #586151

Charcoal, Cadet Blue and Champagne lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5a5161

#606151 · #516152

#515861 · #615158

Split-complementary

Open in tool →

#525161 · #615160

#516061 · #5a5161 · #615251

Contrast

#586151 as textRatioAAAA largeAAAFix
Aaon white
6.47:1passpassfail
  • AAA: use #51594a as the text (7.3:1)
Aaon black
3.24:1failpassfail
  • AA: use #6c7864 as the text (4.51:1)
  • AAA: use #8d9985 as the text (7.03:1)
  • AA: or shift the background to #d9d9d9 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #586151 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#586151 reads as muted, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #586151
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

›analyze #586151 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/586151-abbea2-5a4edf-1f2d1f-f0f1e9?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