Color

#338a4a

#338a4a
hex#338a4a
rgbrgb(51, 138, 74)
hslhsl(136, 46%, 37%)
oklchoklch(0.565 0.128 149.2)
Closest name: seagreen (#2e8b57)Relative luminance 0.1938

Colors that go with #338a4a

Charcoal, Royal Blue and Copper 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 →

#8a3373

#478a33 · #338a75

#4a338a · #8a4a33

Split-complementary

Open in tool →

#75338a · #8a3347

#33478a · #8a3373 · #8a7533

Contrast

#338a4a as textRatioAAAA largeAAAFix
Aaon white
4.31:1failpassfail
  • AA: use #328648 as the text (4.53:1)
  • AAA: use #256536 as the text (7.02:1)
  • AA: or shift the background to #0d0d0d (4.51:1)
Aaon black
4.88:1passpassfail
  • AAA: use #3fab5c as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #338a4a as the background.

Brands using this color

mcpConnect your agent — build around #338a4a
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 #338a4a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/338a4a-a2bead-b959d4-1f2d29-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