Color

#337e15

#337e15
hex#337e15
rgbrgb(51, 126, 21)
hslhsl(103, 71%, 29%)
oklchoklch(0.525 0.154 138.9)
Closest name: green (#008000)Relative luminance 0.1568

Colors that go with #337e15

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 →

#61157e

#687e15 · #157e2c

#15337e · #7e1533

Split-complementary

Open in tool →

#2c157e · #7e1568

#15687e · #61157e · #7e2c15

Contrast

#337e15 as textRatioAAAA largeAAAFix
Aaon white
5.08:1passpassfail
  • AAA: use #296411 as the text (7.18:1)
Aaon black
4.14:1failpassfail
  • AA: use #378717 as the text (4.64:1)
  • AAA: use #45aa1d as the text (7.02:1)
  • AA: or shift the background to #f2f2f2 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #337e15 as the background.

Brands using this color

Fonts for this mood

#337e15 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #337e15
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 #337e15 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/337e15-a6bea2-704edf-1f2d21-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