Color

#178603

#178603
hex#178603
rgbrgb(23, 134, 3)
hslhsl(111, 96%, 27%)
oklchoklch(0.54 0.178 141.6)
Closest name: Fine Pine (#008800)Relative luminance 0.1724

Colors that go with #178603

Royal Blue, 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 →

#730387

#598703 · #038731

#031787 · #870317

Split-complementary

Open in tool →

#310387 · #870359

#035987 · #730387 · #873103

Contrast

#178603 as textRatioAAAA largeAAAFix
Aaon white
4.72:1passpassfail
  • AAA: use #116402 as the text (7.37:1)
Aaon black
4.45:1failpassfail
  • AA: use #178c03 as the text (4.79:1)
  • AAA: use #1daf04 as the text (7.19:1)
  • AA: or shift the background to #fafafa (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #178603 as the background.

Brands using this color

Fonts for this mood

#178603 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #178603
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 #178603 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/178603-a3bea2-834edf-1f2d23-eef1e9?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