Color

#338a4d

#338a4d
hex#338a4d
rgbrgb(51, 138, 77)
hslhsl(138, 46%, 37%)
oklchoklch(0.565 0.125 150.2)
Closest name: seagreen (#2e8b57)Relative luminance 0.1942

Colors that go with #338a4d

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 →

#8a3370

#448a33 · #338a78

#4d338a · #8a4d33

Split-complementary

Open in tool →

#78338a · #8a3344

#33448a · #8a3370 · #8a7833

Contrast

#338a4d as textRatioAAAA largeAAAFix
Aaon white
4.3:1failpassfail
  • AA: use #32864b as the text (4.52:1)
  • AAA: use #256538 as the text (7.01:1)
  • AA: or shift the background to #0d0d0d (4.52:1)
Aaon black
4.88:1passpassfail
  • AAA: use #3fab60 as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #338a4d as the background.

Brands using this color

mcpConnect your agent — build around #338a4d
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 #338a4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/338a4d-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