Color

#457d59

#457d59
hex#457d59
rgbrgb(69, 125, 89)
hslhsl(141, 29%, 38%)
oklchoklch(0.541 0.082 154.4)
Closest name: Amazon (#387b54)Relative luminance 0.1665

Colors that go with #457d59

Charcoal, Medium Violet Red and Blue 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 →

#7d4569

#4d7d45 · #457d75

#58457d · #7d5845

Split-complementary

Open in tool →

#75457d · #7d454d

#454d7d · #7d4569 · #7d7545

Contrast

#457d59 as textRatioAAAA largeAAAFix
Aaon white
4.85:1passpassfail
  • AAA: use #355f44 as the text (7.31:1)
Aaon black
4.33:1failpassfail
  • AA: use #47805b as the text (4.51:1)
  • AAA: use #5ba474 as the text (7.01:1)
  • AA: or shift the background to #f7f7f7 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #457d59 as the background.

Brands using this color

mcpConnect your agent — build around #457d59
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 #457d59 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/457d59-a2beaf-c459d4-1f2d2a-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