Color

#199a40

#199a40
hex#199a40
rgbrgb(25, 154, 64)
hslhsl(138, 72%, 35%)
oklchoklch(0.601 0.167 147.7)
Closest name: Green Revolution (#009944)Relative luminance 0.2369

Colors that go with #199a40

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 →

#9a1973

#339a19 · #199a80

#40199a · #9a4019

Split-complementary

Open in tool →

#80199a · #9a1933

#19339a · #9a1973 · #9a8019

Contrast

#199a40 as textRatioAAAA largeAAAFix
Aaon white
3.66:1failpassfail
  • AA: use #168838 as the text (4.55:1)
  • AAA: use #10652a as the text (7.2:1)
  • AA: or shift the background to #1f1f1f (4.5:1)
Aaon black
5.74:1passpassfail
  • AAA: use #1daf49 as the text (7.28:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #199a40 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 #199a40
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 #199a40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/199a40-a2beae-be59d4-1f2d29-ebf1e9?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