Color

#427d3f

#427d3f
hex#427d3f
rgbrgb(66, 125, 63)
hslhsl(117, 33%, 37%)
oklchoklch(0.534 0.112 142.9)
Closest name: Mana Tree (#4f7942)Relative luminance 0.1618

Colors that go with #427d3f

Charcoal, Royal Blue and Dark Orchid 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 →

#7a3f7d

#617d3f · #3f7d5b

#3f427d · #7d3f42

Split-complementary

Open in tool →

#5b3f7d · #7d3f61

#3f617d · #7a3f7d · #7d5b3f

Contrast

#427d3f as textRatioAAAA largeAAAFix
Aaon white
4.96:1passpassfail
  • AAA: use #346232 as the text (7.14:1)
Aaon black
4.24:1failpassfail
  • AA: use #468443 as the text (4.64:1)
  • AAA: use #5aaa55 as the text (7.32:1)
  • AA: or shift the background to #f5f5f5 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #427d3f 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 #427d3f
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 #427d3f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/427d3f-a2bea4-924edf-1f2d25-edf1e9?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