Color

#199f1b

#199f1b
hex#199f1b
rgbrgb(25, 159, 27)
hslhsl(121, 73%, 36%)
oklchoklch(0.612 0.197 142.8)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2508

Colors that go with #199f1b

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 →

#9f199d

#5a9f19 · #199f5e

#1b199f · #9f1b19

Split-complementary

Open in tool →

#5e199f · #9f195a

#195a9f · #9f199d · #9f5e19

Contrast

#199f1b as textRatioAAAA largeAAAFix
Aaon white
3.49:1failpassfail
  • AA: use #158917 as the text (4.54:1)
  • AAA: use #106511 as the text (7.26:1)
  • AA: or shift the background to #212121 (4.61:1)
Aaon black
6.02:1passpassfail
  • AAA: use #1cb01e 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 #199f1b 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 #199f1b
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 #199f1b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/199f1b-a2bea6-9b4edf-1f2d26-edf1e9?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