Color

#457b2d

#457b2d
hex#457b2d
rgbrgb(69, 123, 45)
hslhsl(102, 46%, 33%)
oklchoklch(0.527 0.125 137.3)
Closest name: Cucumber Queen (#3c773c)Relative luminance 0.1562

Colors that go with #457b2d

Charcoal, Crimson and Royal 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 →

#642d7b

#6b7b2d · #2d7b3d

#2d457b · #7b2d45

Split-complementary

Open in tool →

#3d2d7b · #7b2d6b

#2d6b7b · #642d7b · #7b3d2d

Contrast

#457b2d as textRatioAAAA largeAAAFix
Aaon white
5.09:1passpassfail
  • AAA: use #366124 as the text (7.26:1)
Aaon black
4.12:1failpassfail
  • AA: use #498230 as the text (4.52:1)
  • AAA: use #5ea83e as the text (7.15:1)
  • AA: or shift the background to #f2f2f2 (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 #457b2d as the background.

Brands using this color

mcpConnect your agent — build around #457b2d
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 #457b2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/457b2d-a7bea2-6e4edf-1f2d21-eff1e9?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