Color

#338a5d

#338a5d
hex#338a5d
rgbrgb(51, 138, 93)
hslhsl(149, 46%, 37%)
oklchoklch(0.569 0.109 157.4)
Closest name: seagreen (#2e8b57)Relative luminance 0.1967

Colors that go with #338a5d

Charcoal, Crimson 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a3360

#348a33 · #338a88

#5d338a · #8a5d33

Split-complementary

Open in tool →

#88338a · #8a3334

#33348a · #8a3360 · #8a8833

Contrast

#338a5d as textRatioAAAA largeAAAFix
Aaon white
4.26:1failpassfail
  • AA: use #308258 as the text (4.71:1)
  • AAA: use #246141 as the text (7.34:1)
  • AA: or shift the background to #0f0f0f (4.5:1)
Aaon black
4.93:1passpassfail
  • AAA: use #3ea871 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #338a5d 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 #338a5d
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 #338a5d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/338a5d-a2beb3-d459d4-1f2d2c-e9f1e9?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