Color

#3d980b

#3d980b
hex#3d980b
rgbrgb(61, 152, 11)
hslhsl(99, 87%, 32%)
oklchoklch(0.601 0.183 138.4)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2347

Colors that go with #3d980b

Crimson, Royal Blue and Charcoal 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 →

#670b99

#83990b · #0b9920

#0b3c99 · #990b3c

Split-complementary

Open in tool →

#200b99 · #990b83

#0b8399 · #670b99 · #99200b

Contrast

#3d980b as textRatioAAAA largeAAAFix
Aaon white
3.69:1failpassfail
  • AA: use #358609 as the text (4.6:1)
  • AAA: use #286407 as the text (7.2:1)
  • AA: or shift the background to #1c1c1c (4.62:1)
Aaon black
5.69:1passpassfail
  • AAA: use #44ac0c as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d980b 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 #3d980b
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 #3d980b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d980b-a8bea2-664edf-1f2d21-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