Color

#427b52

#427b52
hex#427b52
rgbrgb(66, 123, 82)
hslhsl(137, 30%, 37%)
oklchoklch(0.532 0.088 151.5)
Closest name: Amazon (#387b54)Relative luminance 0.1593

Colors that go with #427b52

Charcoal, Royal Blue and Medium Violet Red 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 →

#7b426b

#4e7b42 · #427b6e

#52427b · #7b5242

Split-complementary

Open in tool →

#6e427b · #7b424e

#424e7b · #7b426b · #7b6e42

Contrast

#427b52 as textRatioAAAA largeAAAFix
Aaon white
5.02:1passpassfail
  • AAA: use #346040 as the text (7.26:1)
Aaon black
4.19:1failpassfail
  • AA: use #468157 as the text (4.54:1)
  • AAA: use #59a66f as the text (7.11:1)
  • AA: or shift the background to #f5f5f5 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #427b52 as the background.

Brands using this color

mcpConnect your agent — build around #427b52
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 #427b52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/427b52-a2bead-bb59d4-1f2d29-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