Color

#4e7d21

#4e7d21
hex#4e7d21
rgbrgb(78, 125, 33)
hslhsl(91, 58%, 31%)
oklchoklch(0.537 0.132 132.9)
Closest name: Avocado (#568203)Relative luminance 0.164

Colors that go with #4e7d21

Charcoal, Crimson and Denim 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 →

#51217d

#7b7d21 · #217d23

#214e7d · #7d214e

Split-complementary

Open in tool →

#23217d · #7d217b

#217b7d · #51217d · #7d2321

Contrast

#4e7d21 as textRatioAAAA largeAAAFix
Aaon white
4.91:1passpassfail
  • AAA: use #3c611a as the text (7.2:1)
Aaon black
4.28:1failpassfail
  • AA: use #508122 as the text (4.5:1)
  • AAA: use #69a92d as the text (7.31:1)
  • AA: or shift the background to #f5f5f5 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e7d21 as the background.

Brands using this color

mcpConnect your agent — build around #4e7d21
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 #4e7d21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e7d21-acbea2-534edf-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