Color

#155138

#155138
hex#155138
rgbrgb(21, 81, 56)
hslhsl(155, 59%, 20%)
oklchoklch(0.39 0.075 161.5)
Closest name: Cape Verde (#01554f)Relative luminance 0.0633

Colors that go with #155138

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 →

#51152e

#15511a · #154c51

#381551 · #513815

Split-complementary

Open in tool →

#51154c · #511a15

#1a1551 · #51152e · #4c5115

Contrast

#155138 as textRatioAAAA largeAAAFix
Aaon white
9.27:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #23865c as the text (4.64:1)
  • AAA: use #2caa76 as the text (7.12:1)
  • AA: or shift the background to #b5b5b5 (4.52:1)
  • AAA: or shift the background to #e0e0e0 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #155138 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#155138 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #155138
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 #155138 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/155138-a2beb6-d459c8-1f2d2d-e9f1ea?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