Color

#42981f

#42981f
hex#42981f
rgbrgb(66, 152, 31)
hslhsl(103, 66%, 36%)
oklchoklch(0.603 0.173 138.7)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2371

Colors that go with #42981f

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 →

#761f98

#7e981f · #1f9839

#1f4298 · #981f42

Split-complementary

Open in tool →

#391f98 · #981f7e

#1f7e98 · #761f98 · #98391f

Contrast

#42981f as textRatioAAAA largeAAAFix
Aaon white
3.66:1failpassfail
  • AA: use #3a871c as the text (4.5:1)
  • AAA: use #2a6114 as the text (7.45:1)
  • AA: or shift the background to #1f1f1f (4.51:1)
Aaon black
5.74:1passpassfail
  • AAA: use #4bae24 as the text (7.38:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42981f 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 #42981f
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 #42981f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42981f-a6bea2-704edf-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