Color

#407b18

#407b18
hex#407b18
rgbrgb(64, 123, 24)
hslhsl(96, 67%, 29%)
oklchoklch(0.523 0.142 135.9)
Closest name: Forest Empress (#3d7016)Relative luminance 0.1532

Colors that go with #407b18

Charcoal, Crimson and Royal 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 →

#54187b

#727b18 · #187b22

#18407b · #7b1840

Split-complementary

Open in tool →

#22187b · #7b1872

#18727b · #54187b · #7b2218

Contrast

#407b18 as textRatioAAAA largeAAAFix
Aaon white
5.17:1passpassfail
  • AAA: use #336213 as the text (7.25:1)
Aaon black
4.06:1failpassfail
  • AA: use #44841a as the text (4.56:1)
  • AAA: use #58aa22 as the text (7.19:1)
  • AA: or shift the background to #f0f0f0 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #407b18 as the background.

Brands using this color

Fonts for this mood

#407b18 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #407b18
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 #407b18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/407b18-aabea2-5f4edf-1f2d20-f0f1e9?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