Color

#198a2a

#198a2a
hex#198a2a
rgbrgb(25, 138, 42)
hslhsl(129, 69%, 32%)
oklchoklch(0.554 0.165 144.8)
Closest name: Forest Green (#228b22)Relative luminance 0.1855

Colors that go with #198a2a

Charcoal, Royal Blue and Dark Orchid 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 →

#8a1979

#418a19 · #198a62

#2a198a · #8a2a19

Split-complementary

Open in tool →

#62198a · #8a1941

#19418a · #8a1979 · #8a6219

Contrast

#198a2a as textRatioAAAA largeAAAFix
Aaon white
4.46:1failpassfail
  • AA: use #198629 as the text (4.68:1)
  • AAA: use #136720 as the text (7.03:1)
  • AA: or shift the background to #050505 (4.57:1)
Aaon black
4.71:1passpassfail
  • AAA: use #20ac35 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #198a2a as the background.

Brands using this color

mcpConnect your agent — build around #198a2a
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 #198a2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/198a2a-a2bea9-ae4edf-1f2d27-ecf1e9?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