Color

#338e81

#338e81
hex#338e81
rgbrgb(51, 142, 129)
hslhsl(171, 47%, 38%)
oklchoklch(0.589 0.088 182.1)
Closest name: Highlands (#449084)Relative luminance 0.2163

Colors that go with #338e81

Charcoal, Copper and Medium Violet Red 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 #338e81

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8e3341

#338e53 · #336f8e

#81338e · #8e8133

Split-complementary

Open in tool →

#8e336f · #8e5333

#53338e · #8e3341 · #6f8e33

Contrast

#338e81 as textRatioAAAA largeAAAFix
Aaon white
3.94:1failpassfail
  • AA: use #2f8377 as the text (4.53:1)
  • AAA: use #236158 as the text (7.19:1)
  • AA: or shift the background to #171717 (4.55:1)
Aaon black
5.33:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #338e81 as the background.

Brands using this color

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

mcpConnect your agent — build around #338e81
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 #338e81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/338e81-a2bebd-d459a7-1f292d-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