Color

#455f63

#455f63
hex#455f63
rgbrgb(69, 95, 99)
hslhsl(188, 18%, 33%)
oklchoklch(0.466 0.032 207.9)
Closest name: After the Storm (#33616a)Relative luminance 0.1035

Colors that go with #455f63

Sienna, 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 →

#634945

#456358 · #455063

#63455f · #5f6345

Split-complementary

Open in tool →

#634550 · #635845

#584563 · #634945 · #506345

Contrast

#455f63 as textRatioAAAA largeAAAFix
Aaon white
6.84:1passpassfail
  • AAA: use #435c60 as the text (7.15:1)
Aaon black
3.07:1failpassfail
  • AA: use #5a7c81 as the text (4.63:1)
  • AAA: use #789ba1 as the text (7:1)
  • AA: or shift the background to #d4d4d4 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #455f63 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

mcpConnect your agent — build around #455f63
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 #455f63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/455f63-a2b7be-df4e81-1f252d-e9f1ee?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