Color

#375f21

#375f21
hex#375f21
rgbrgb(55, 95, 33)
hslhsl(99, 48%, 25%)
oklchoklch(0.441 0.102 136.1)
Closest name: Greenhouse (#3e6334)Relative luminance 0.0911

Colors that go with #375f21

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 →

#49215e

#555e21 · #215e2a

#21375e · #5e2137

Split-complementary

Open in tool →

#2a215e · #5e2155

#21555e · #49215e · #5e2a21

Contrast

#375f21 as textRatioAAAA largeAAAFix
Aaon white
7.44:1passpasspassPasses AAA — no fix needed.
Aaon black
2.82:1failfailfail
  • AA: use #4c842e as the text (4.65:1)
  • AAA: use #60a63a as the text (7.01:1)
  • AA: or shift the background to #cccccc (4.63:1)
  • AAA: or shift the background to #fafafa (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #375f21 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#375f21 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #375f21
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 #375f21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/375f21-a8bea2-664edf-1f2d21-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