Color

#338b18

#338b18
hex#338b18
rgbrgb(51, 139, 24)
hslhsl(106, 71%, 32%)
oklchoklch(0.562 0.168 139.8)
Closest name: Forest Green (#228b22)Relative luminance 0.1923

Colors that go with #338b18

Royal Blue, Charcoal and Crimson 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 →

#70188c

#6d8c18 · #188c37

#18338c · #8c1833

Split-complementary

Open in tool →

#37188c · #8c186d

#186d8c · #70188c · #8c3718

Contrast

#338b18 as textRatioAAAA largeAAAFix
Aaon white
4.33:1failpassfail
  • AA: use #318717 as the text (4.56:1)
  • AAA: use #246411 as the text (7.23:1)
  • AA: or shift the background to #0a0a0a (4.57:1)
Aaon black
4.85:1passpassfail
  • AAA: use #3fae1e as the text (7.28:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #338b18 as the background.

Brands using this color

mcpConnect your agent — build around #338b18
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 #338b18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/338b18-a5bea2-774edf-1f2d22-eff1e9?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