Color

#419b57

#419b57
hex#419b57
rgbrgb(65, 155, 87)
hslhsl(135, 41%, 43%)
oklchoklch(0.618 0.133 149.1)
Closest name: Eucalyptus (#329760)Relative luminance 0.2525

Colors that go with #419b57

Charcoal, Blue and Crimson 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 →

#9b4184

#579b41 · #419b84

#57419b · #9b5741

Split-complementary

Open in tool →

#84419b · #9b4157

#41579b · #9b4184 · #9b8441

Contrast

#419b57 as textRatioAAAA largeAAAFix
Aaon white
3.47:1failpassfail
  • AA: use #38854b as the text (4.54:1)
  • AAA: use #296137 as the text (7.34:1)
  • AA: or shift the background to #212121 (4.64:1)
Aaon black
6.05:1passpassfail
  • AAA: use #47a95f as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #419b57 as the background.

Brands using this color

mcpConnect your agent — build around #419b57
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 #419b57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/419b57-a2beac-b759d4-1f2d29-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