Color

#178a0a

#178a0a
hex#178a0a
rgbrgb(23, 138, 10)
hslhsl(114, 86%, 29%)
oklchoklch(0.552 0.181 141.9)
Closest name: Green Bell Pepper (#228800)Relative luminance 0.1838

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7d0a8a

#578a0a · #0a8a3d

#0a178a · #8a0a17

Split-complementary

Open in tool →

#3d0a8a · #8a0a57

#0a578a · #7d0a8a · #8a3d0a

Contrast

#178a0a as textRatioAAAA largeAAAFix
Aaon white
4.49:1failpassfail
  • AA: use #16850a as the text (4.78:1)
  • AAA: use #116407 as the text (7.37:1)
  • AA: or shift the background to #050505 (4.54:1)
Aaon black
4.68:1passpassfail
  • AAA: use #1daf0d as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #178a0a as the background.

Brands using this color

Fonts for this mood

#178a0a reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #178a0a
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 #178a0a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/178a0a-a2bea2-8a4edf-1f2d24-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