Color

#187b63

#187b63
hex#187b63
rgbrgb(24, 123, 99)
hslhsl(165, 67%, 29%)
oklchoklch(0.522 0.095 171.7)
Closest name: Greasy Greens (#117755)Relative luminance 0.1526

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7b1831

#187b31 · #18637b

#63187b · #7b6318

Split-complementary

Open in tool →

#7b1863 · #7b3118

#31187b · #7b1831 · #637b18

Contrast

#187b63 as textRatioAAAA largeAAAFix
Aaon white
5.18:1passpassfail
  • AAA: use #13624e as the text (7.28:1)
Aaon black
4.05:1failpassfail
  • AA: use #1a846a as the text (4.55:1)
  • AAA: use #22aa88 as the text (7.17:1)
  • AA: or shift the background to #f0f0f0 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #187b63 as the background.

Brands using this color

Fonts for this mood

#187b63 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #187b63
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #187b63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/187b63-a2beba-d459b3-1f2b2d-e9f1eb?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