Color

#4b816c

#4b816c
hex#4b816c
rgbrgb(75, 129, 108)
hslhsl(157, 26%, 40%)
oklchoklch(0.559 0.067 167.1)
Closest name: Emerald Whispers (#2b8478)Relative luminance 0.1828

Tints & shades

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

Harmonies

Complementary

Open in tool →

#814b60

#4b8152 · #4b7a81

#6c4b81 · #816c4b

Split-complementary

Open in tool →

#814b7a · #81524b

#524b81 · #814b60 · #7a814b

Contrast

#4b816c as textRatioAAAA largeAAAFix
Aaon white
4.51:1passpassfail
  • AAA: use #396051 as the text (7.08:1)
Aaon black
4.66:1passpassfail
  • AAA: use #62a38a as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b816c 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 #4b816c
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 #4b816c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b816c-a2beb7-d459c4-1f2c2d-e9f1ea?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