Color

#40723b

#40723b
hex#40723b
rgbrgb(64, 114, 59)
hslhsl(115, 32%, 34%)
oklchoklch(0.502 0.1 142)
Closest name: Cucumber Queen (#3c773c)Relative luminance 0.1344

Colors that go with #40723b

Charcoal, Royal Blue and Blue 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 →

#6e3b72

#5b723b · #3b7252

#3b4072 · #723b40

Split-complementary

Open in tool →

#523b72 · #723b5b

#3b5b72 · #6e3b72 · #72523b

Contrast

#40723b as textRatioAAAA largeAAAFix
Aaon white
5.69:1passpassfail
  • AAA: use #366232 as the text (7.12:1)
Aaon black
3.69:1failpassfail
  • AA: use #498344 as the text (4.61:1)
  • AAA: use #5da857 as the text (7.2:1)
  • AA: or shift the background to #e6e6e6 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40723b 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 #40723b
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 #40723b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40723b-a2bea3-8d4edf-1f2d24-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