Color

#758999

#758999
hex#758999
rgbrgb(117, 137, 153)
hslhsl(207, 15%, 53%)
oklchoklch(0.62 0.034 242.3)
Closest name: lightslategray (#778899)Relative luminance 0.2397

Colors that go with #758999

Charcoal, Copper 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 →

#998575

#759997 · #757799

#997589 · #899975

Split-complementary

Open in tool →

#997577 · #999775

#977599 · #998575 · #779975

Contrast

#758999 as textRatioAAAA largeAAAFix
Aaon white
3.62:1failpassfail
  • AA: use #647787 as the text (4.64:1)
  • AAA: use #4c5b67 as the text (7:1)
  • AA: or shift the background to #1f1f1f (4.55:1)
Aaon black
5.79:1passpassfail
  • AAA: use #8798a6 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #758999 as the background.

Brands using this color

mcpConnect your agent — build around #758999
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 #758999 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/758999-9cadc4-df4e53-1f212d-e9f1f1?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