Color

#189a4a

#189a4a
hex#189a4a
rgbrgb(24, 154, 74)
hslhsl(143, 73%, 35%)
oklchoklch(0.603 0.158 150.1)
Closest name: Green Revolution (#009944)Relative luminance 0.238

Colors that go with #189a4a

Charcoal, Royal Blue and 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 →

#9a1868

#279a18 · #189a8b

#4a189a · #9a4a18

Split-complementary

Open in tool →

#8b189a · #9a1827

#18279a · #9a1868 · #9a8b18

Contrast

#189a4a as textRatioAAAA largeAAAFix
Aaon white
3.65:1failpassfail
  • AA: use #15843f as the text (4.77:1)
  • AAA: use #106531 as the text (7.17:1)
  • AA: or shift the background to #1f1f1f (4.52:1)
Aaon black
5.76:1passpassfail
  • AAA: use #1bac53 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #189a4a 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 #189a4a
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 #189a4a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/189a4a-a2beb0-c859d4-1f2d2b-eaf1e9?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