Color

#039b40

#039b40
hex#039b40
rgbrgb(3, 155, 64)
hslhsl(144, 96%, 31%)
oklchoklch(0.602 0.171 148.5)
Closest name: Green Revolution (#009944)Relative luminance 0.2383

Colors that go with #039b40

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 →

#9b035e

#129b03 · #039b8c

#40039b · #9b4003

Split-complementary

Open in tool →

#8c039b · #9b0312

#03129b · #9b035e · #9b8c03

Contrast

#039b40 as textRatioAAAA largeAAAFix
Aaon white
3.64:1failpassfail
  • AA: use #038738 as the text (4.64:1)
  • AAA: use #026429 as the text (7.35:1)
  • AA: or shift the background to #1f1f1f (4.53:1)
Aaon black
5.77:1passpassfail
  • AAA: use #04af48 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #039b40 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 #039b40
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 #039b40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/039b40-a2beb0-ca59d4-1f2d2b-eaf1e9?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