Color

#457b18

#457b18
hex#457b18
rgbrgb(69, 123, 24)
hslhsl(93, 67%, 29%)
oklchoklch(0.525 0.14 134.5)
Closest name: Avocado (#568203)Relative luminance 0.155

Colors that go with #457b18

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 →

#4f187b

#777b18 · #187b1d

#18457b · #7b1845

Split-complementary

Open in tool →

#1d187b · #7b1877

#18777b · #4f187b · #7b1d18

Contrast

#457b18 as textRatioAAAA largeAAAFix
Aaon white
5.12:1passpassfail
  • AAA: use #376213 as the text (7.19:1)
Aaon black
4.1:1failpassfail
  • AA: use #4a841a as the text (4.61:1)
  • AAA: use #5faa22 as the text (7.26:1)
  • AA: or shift the background to #f2f2f2 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #457b18 as the background.

Brands using this color

Fonts for this mood

#457b18 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #457b18
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 #457b18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/457b18-abbea2-584edf-202d1f-f0f1e9?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