Color

#4c8a5b

#4c8a5b
hex#4c8a5b
rgbrgb(76, 138, 91)
hslhsl(135, 29%, 42%)
oklchoklch(0.579 0.097 150.3)
Closest name: Illuminati Green (#419168)Relative luminance 0.2047

Colors that go with #4c8a5b

Charcoal, Royal Blue and Champagne 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 →

#8a4c7b

#5c8a4c · #4c8a7b

#5c4c8a · #8a5c4c

Split-complementary

Open in tool →

#7b4c8a · #8a4c5c

#4c5c8a · #8a4c7b · #8a7b4c

Contrast

#4c8a5b as textRatioAAAA largeAAAFix
Aaon white
4.12:1failpassfail
  • AA: use #478055 as the text (4.68:1)
  • AAA: use #355f3f as the text (7.34:1)
  • AA: or shift the background to #121212 (4.54:1)
Aaon black
5.09:1passpassfail
  • AAA: use #5ea670 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c8a5b 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 #4c8a5b
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 #4c8a5b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c8a5b-a2beac-b759d4-1f2d29-ebf1e9?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