Color

#155b3a

#155b3a
hex#155b3a
rgbrgb(21, 91, 58)
hslhsl(152, 63%, 22%)
oklchoklch(0.42 0.088 158)
Closest name: Evergreen (#125b49)Relative luminance 0.0795

Colors that go with #155b3a

Royal Blue, Blue and Crimson 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 #155b3a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5b1536

#155b17 · #15595b

#3a155b · #5b3a15

Split-complementary

Open in tool →

#5b1559 · #5b1715

#17155b · #5b1536 · #595b15

Contrast

#155b3a as textRatioAAAA largeAAAFix
Aaon white
8.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.59:1failfailfail
  • AA: use #1e8555 as the text (4.54:1)
  • AAA: use #27aa6d as the text (7.06:1)
  • AA: or shift the background to #c2c2c2 (4.55:1)
  • AAA: or shift the background to #f0f0f0 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #155b3a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#155b3a reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #155b3a
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 #155b3a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/155b3a-a2beb4-d459ce-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