Color

#455f3f

#455f3f
hex#455f3f
rgbrgb(69, 95, 63)
hslhsl(109, 20%, 31%)
oklchoklch(0.455 0.059 139.8)
Closest name: Muddy Olive (#4b5d46)Relative luminance 0.0981

Colors that go with #455f3f

Charcoal, Champagne and Crimson 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.

Real palettes that use #455f3f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#593f5f

#555f3f · #3f5f49

#3f455f · #5f3f45

Split-complementary

Open in tool →

#493f5f · #5f3f55

#3f555f · #593f5f · #5f493f

Contrast

#455f3f as textRatioAAAA largeAAAFix
Aaon white
7.09:1passpasspassPasses AAA — no fix needed.
Aaon black
2.96:1failfailfail
  • AA: use #5b7d54 as the text (4.51:1)
  • AAA: use #7ba172 as the text (7.18:1)
  • AA: or shift the background to #cfcfcf (4.55:1)
  • AAA: or shift the background to #ffffff (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #455f3f as the background.

Brands using this color

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

mcpConnect your agent — build around #455f3f
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 #455f3f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/455f3f-a4bea2-7e4edf-1f2d23-eef1e9?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