Color

#40917c

#40917c
hex#40917c
rgbrgb(64, 145, 124)
hslhsl(164, 39%, 41%)
oklchoklch(0.6 0.086 173.8)
Closest name: Highlands (#449084)Relative luminance 0.228

Colors that go with #40917c

Charcoal, Copper and Medium Violet Red 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 #40917c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#914056

#409153 · #407e91

#7c4091 · #917c40

Split-complementary

Open in tool →

#91407e · #915340

#534091 · #914056 · #7e9140

Contrast

#40917c as textRatioAAAA largeAAAFix
Aaon white
3.78:1failpassfail
  • AA: use #3a8370 as the text (4.51:1)
  • AAA: use #2a6051 as the text (7.27:1)
  • AA: or shift the background to #1c1c1c (4.51:1)
Aaon black
5.56:1passpassfail
  • AAA: use #49a78e as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40917c 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 #40917c
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 #40917c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40917c-a2beba-d459b5-1f2b2d-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