Color

#135d4e

#135d4e
hex#135d4e
rgbrgb(19, 93, 78)
hslhsl(168, 66%, 22%)
oklchoklch(0.431 0.074 175.5)
Closest name: Evergreen (#125b49)Relative luminance 0.0852

Colors that go with #135d4e

Cadet 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.

Real palettes that use #135d4e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5d1322

#135d29 · #13475d

#4e135d · #5d4e13

Split-complementary

Open in tool →

#5d1347 · #5d2913

#29135d · #5d1322 · #475d13

Contrast

#135d4e as textRatioAAAA largeAAAFix
Aaon white
7.77:1passpasspassPasses AAA — no fix needed.
Aaon black
2.7:1failfailfail
  • AA: use #1b836e as the text (4.52:1)
  • AAA: use #23a98e as the text (7.14:1)
  • AA: or shift the background to #c7c7c7 (4.6:1)
  • AAA: or shift the background to #f5f5f5 (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 #135d4e as the background.

Brands using this color

Fonts for this mood

#135d4e reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #135d4e
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 #135d4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/135d4e-a2bebc-d459ad-1f2a2d-e9f1ec?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