Color

#42945b

#42945b
hex#42945b
rgbrgb(66, 148, 91)
hslhsl(138, 38%, 42%)
oklchoklch(0.6 0.118 151.3)
Closest name: Eucalyptus (#329760)Relative luminance 0.2309

Colors that go with #42945b

Charcoal, Royal Blue 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 →

#94427b

#539442 · #429484

#5b4294 · #945b42

Split-complementary

Open in tool →

#844294 · #944253

#425394 · #94427b · #948442

Contrast

#42945b as textRatioAAAA largeAAAFix
Aaon white
3.74:1failpassfail
  • AA: use #3a8250 as the text (4.68:1)
  • AAA: use #2c633d as the text (7.1:1)
  • AA: or shift the background to #1c1c1c (4.56:1)
Aaon black
5.62:1passpassfail
  • AAA: use #4ca968 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42945b as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #42945b
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 #42945b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42945b-a2beae-be59d4-1f2d29-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