Color

#377e01

#377e01
hex#377e01
rgbrgb(55, 126, 1)
hslhsl(94, 98%, 25%)
oklchoklch(0.526 0.159 137)
Closest name: green (#008000)Relative luminance 0.1574

Colors that go with #377e01

Charcoal, Royal Blue 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 →

#48017e

#767e01 · #017e0a

#01377e · #7e0137

Split-complementary

Open in tool →

#0a017e · #7e0176

#01767e · #48017e · #7e0a01

Contrast

#377e01 as textRatioAAAA largeAAAFix
Aaon white
5.06:1passpassfail
  • AAA: use #2c6501 as the text (7.07:1)
Aaon black
4.15:1failpassfail
  • AA: use #3c8801 as the text (4.71:1)
  • AAA: use #4bac02 as the text (7.2:1)
  • AA: or shift the background to #f2f2f2 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #377e01 as the background.

Brands using this color

Fonts for this mood

#377e01 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #377e01
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 #377e01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/377e01-abbea2-5a4edf-1f2d1f-f0f1e9?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