Color

#187c74

#187c74
hex#187c74
rgbrgb(24, 124, 116)
hslhsl(175, 68%, 29%)
oklchoklch(0.531 0.087 186.6)
Closest name: Emperor Jade (#007b75)Relative luminance 0.1587

Colors that go with #187c74

Charcoal, Crimson and Amber 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.

Real palettes that use #187c74

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#7c1820

#187c42 · #18527c

#74187c · #7c7418

Split-complementary

Open in tool →

#7c1852 · #7c4218

#42187c · #7c1820 · #527c18

Contrast

#187c74 as textRatioAAAA largeAAAFix
Aaon white
5.03:1passpassfail
  • AAA: use #13635c as the text (7.08:1)
Aaon black
4.17:1failpassfail
  • AA: use #19857c as the text (4.69:1)
  • AAA: use #20a79c as the text (7.07:1)
  • AA: or shift the background to #f5f5f5 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #187c74 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#187c74 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #187c74
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 #187c74 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/187c74-a2bdbe-d4599f-1f282d-e9f1ed?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