Color

#428500

#428500
hex#428500
rgbrgb(66, 133, 0)
hslhsl(90, 100%, 26%)
oklchoklch(0.55 0.162 135.4)
Closest name: Avocado (#568203)Relative luminance 0.1793

Colors that go with #428500

Royal Blue, Charcoal 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 →

#420085

#858500 · #008500

#004285 · #850042

Split-complementary

Open in tool →

#000085 · #850085

#008585 · #420085 · #850000

Contrast

#428500 as textRatioAAAA largeAAAFix
Aaon white
4.58:1passpassfail
  • AAA: use #306100 as the text (7.41:1)
Aaon black
4.59:1passpassfail
  • AAA: use #57ad00 as the text (7.38:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #428500 as the background.

Brands using this color

Fonts for this mood

#428500 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #428500
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 #428500 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/428500-adbea2-514edf-202d1f-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