Color

#455f56

#455f56
hex#455f56
rgbrgb(69, 95, 86)
hslhsl(159, 16%, 32%)
oklchoklch(0.462 0.034 171.4)
Closest name: Ethereal Woods (#3e5e4e)Relative luminance 0.1012

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5f454e

#455f48 · #455b5f

#56455f · #5f5645

Split-complementary

Open in tool →

#5f455b · #5f4845

#48455f · #5f454e · #5b5f45

Contrast

#455f56 as textRatioAAAA largeAAAFix
Aaon white
6.94:1passpassfail
  • AAA: use #425c53 as the text (7.27:1)
Aaon black
3.02:1failpassfail
  • AA: use #5a7c70 as the text (4.55:1)
  • AAA: use #7a9f92 as the text (7.2:1)
  • AA: or shift the background to #d1d1d1 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #455f56 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 #455f56
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 #455f56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/455f56-a2beb8-d459c0-1f2c2d-e9f1eb?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