Color

#427e01

#427e01
hex#427e01
rgbrgb(66, 126, 1)
hslhsl(89, 98%, 25%)
oklchoklch(0.531 0.153 134.5)
Closest name: Avocado (#568203)Relative luminance 0.1608

Colors that go with #427e01

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 →

#3e017e

#7e7c01 · #037e01

#01427e · #7e0142

Split-complementary

Open in tool →

#01037e · #7c017e

#017e7c · #3e017e · #7e0103

Contrast

#427e01 as textRatioAAAA largeAAAFix
Aaon white
4.98:1passpassfail
  • AAA: use #326001 as the text (7.48:1)
Aaon black
4.22:1failpassfail
  • AA: use #478801 as the text (4.79:1)
  • AAA: use #5aac02 as the text (7.34:1)
  • AA: or shift the background to #f5f5f5 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #427e01 as the background.

Brands using this color

Fonts for this mood

#427e01 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #427e01
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 #427e01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/427e01-adbea2-4e4edf-212d1f-f1f1e9?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