Color

#43990b

#43990b
hex#43990b
rgbrgb(67, 153, 11)
hslhsl(96, 87%, 32%)
oklchoklch(0.606 0.181 137.5)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.24

Colors that go with #43990b

Charcoal, Crimson and Denim 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 →

#600b99

#8a990b · #0b9919

#0b4399 · #990b43

Split-complementary

Open in tool →

#190b99 · #990b8a

#0b8a99 · #600b99 · #99190b

Contrast

#43990b as textRatioAAAA largeAAAFix
Aaon white
3.62:1failpassfail
  • AA: use #3b8609 as the text (4.57:1)
  • AAA: use #2c6407 as the text (7.16:1)
  • AA: or shift the background to #1f1f1f (4.55:1)
Aaon black
5.8:1passpassfail
  • AAA: use #4cac0c as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #43990b 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 #43990b
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 #43990b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43990b-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