Color

#4e8c21

#4e8c21
hex#4e8c21
rgbrgb(78, 140, 33)
hslhsl(95, 62%, 34%)
oklchoklch(0.577 0.151 135.2)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.2049

Colors that go with #4e8c21

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 →

#60218c

#838c21 · #218c2a

#214e8c · #8c214e

Split-complementary

Open in tool →

#2a218c · #8c2183

#21838c · #60218c · #8c2a21

Contrast

#4e8c21 as textRatioAAAA largeAAAFix
Aaon white
4.12:1failpassfail
  • AA: use #49841f as the text (4.56:1)
  • AAA: use #376317 as the text (7.1:1)
  • AA: or shift the background to #121212 (4.55:1)
Aaon black
5.1:1passpassfail
  • AAA: use #5ea928 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e8c21 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 #4e8c21
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 #4e8c21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e8c21-aabea2-5d4edf-1f2d20-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