Color

#4c8a66

#4c8a66
hex#4c8a66
rgbrgb(76, 138, 102)
hslhsl(145, 29%, 42%)
oklchoklch(0.581 0.086 156.9)
Closest name: Illuminati Green (#419168)Relative luminance 0.2067

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8a4c70

#518a4c · #4c8a85

#664c8a · #8a664c

Split-complementary

Open in tool →

#854c8a · #8a4c51

#4c518a · #8a4c70 · #8a854c

Contrast

#4c8a66 as textRatioAAAA largeAAAFix
Aaon white
4.09:1failpassfail
  • AA: use #47805f as the text (4.65:1)
  • AAA: use #355f46 as the text (7.3:1)
  • AA: or shift the background to #141414 (4.5:1)
Aaon black
5.13:1passpassfail
  • AAA: use #5ba479 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c8a66 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 #4c8a66
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4c8a66 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c8a66-a2beb1-cc59d4-1f2d2b-eaf1e9?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