Color

#457d52

#457d52
hex#457d52
rgbrgb(69, 125, 82)
hslhsl(134, 29%, 38%)
oklchoklch(0.539 0.09 150)
Closest name: Amazon (#387b54)Relative luminance 0.1654

Colors that go with #457d52

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 →

#7d4570

#547d45 · #457d6e

#52457d · #7d5245

Split-complementary

Open in tool →

#6e457d · #7d4554

#45547d · #7d4570 · #7d6e45

Contrast

#457d52 as textRatioAAAA largeAAAFix
Aaon white
4.87:1passpassfail
  • AAA: use #355f3f as the text (7.34:1)
Aaon black
4.31:1failpassfail
  • AA: use #488456 as the text (4.71:1)
  • AAA: use #5ea66f as the text (7.16:1)
  • AA: or shift the background to #f7f7f7 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #457d52 as the background.

Brands using this color

mcpConnect your agent — build around #457d52
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 #457d52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/457d52-a2beac-b559d4-1f2d29-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