Color

#40981b

#40981b
hex#40981b
rgbrgb(64, 152, 27)
hslhsl(102, 70%, 35%)
oklchoklch(0.602 0.176 138.7)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2363

Colors that go with #40981b

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 →

#721b98

#7f981b · #1b9834

#1b4098 · #981b40

Split-complementary

Open in tool →

#341b98 · #981b7f

#1b7f98 · #721b98 · #98341b

Contrast

#40981b as textRatioAAAA largeAAAFix
Aaon white
3.67:1failpassfail
  • AA: use #398618 as the text (4.57:1)
  • AAA: use #2a6412 as the text (7.17:1)
  • AA: or shift the background to #1c1c1c (4.65:1)
Aaon black
5.73:1passpassfail
  • AAA: use #49ad1f as the text (7.28:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40981b 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 #40981b
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 #40981b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40981b-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