Color

#39a12b

#39a12b
hex#39a12b
rgbrgb(57, 161, 43)
hslhsl(113, 58%, 40%)
oklchoklch(0.625 0.181 141.4)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2653

Colors that go with #39a12b

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 →

#932ba1

#74a12b · #2ba158

#2b39a1 · #a12b39

Split-complementary

Open in tool →

#582ba1 · #a12b74

#2b74a1 · #932ba1 · #a1582b

Contrast

#39a12b as textRatioAAAA largeAAAFix
Aaon white
3.33:1failpassfail
  • AA: use #2f8523 as the text (4.67:1)
  • AAA: use #23651b as the text (7.12:1)
  • AA: or shift the background to #262626 (4.54:1)
Aaon black
6.31:1passpassfail
  • AAA: use #3dad2e as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39a12b 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 #39a12b
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 #39a12b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39a12b-a2bea2-884edf-1f2d24-eef1e9?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