Color

#338a50

#338a50
hex#338a50
rgbrgb(51, 138, 80)
hslhsl(140, 46%, 37%)
oklchoklch(0.566 0.122 151.4)
Closest name: seagreen (#2e8b57)Relative luminance 0.1946

Colors that go with #338a50

Charcoal, Royal Blue 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a336d

#418a33 · #338a7b

#50338a · #8a5033

Split-complementary

Open in tool →

#7b338a · #8a3341

#33418a · #8a336d · #8a7b33

Contrast

#338a50 as textRatioAAAA largeAAAFix
Aaon white
4.29:1failpassfail
  • AA: use #32864e as the text (4.51:1)
  • AAA: use #246138 as the text (7.39:1)
  • AA: or shift the background to #0d0d0d (4.53:1)
Aaon black
4.89:1passpassfail
  • AAA: use #3fab63 as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #338a50 as the background.

Brands using this color

mcpConnect your agent — build around #338a50
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 #338a50 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/338a50-a2beaf-c259d4-1f2d2a-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