Color

#345b40

#345b40
hex#345b40
rgbrgb(52, 91, 64)
hslhsl(138, 27%, 28%)
oklchoklch(0.434 0.063 152.9)
Closest name: Ficus (#3b593a)Relative luminance 0.0858

Colors that go with #345b40

Denim, Orange Red and Royal Blue 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 #345b40

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5b344f

#3c5b34 · #345b53

#40345b · #5b4034

Split-complementary

Open in tool →

#53345b · #5b343c

#343c5b · #5b344f · #5b5334

Contrast

#345b40 as textRatioAAAA largeAAAFix
Aaon white
7.73:1passpasspassPasses AAA — no fix needed.
Aaon black
2.72:1failfailfail
  • AA: use #4a825b as the text (4.64:1)
  • AAA: use #60a475 as the text (7.06:1)
  • AA: or shift the background to #c7c7c7 (4.57:1)
  • AAA: or shift the background to #f5f5f5 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #345b40 as the background.

Brands using this color

Fonts for this mood

#345b40 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #345b40
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 #345b40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/345b40-a2beae-be59d4-1f2d29-ebf1e9?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