brandsweets

Color

#3a9c4f

#3a9c4f
hex#3a9c4f
rgbrgb(58, 156, 79)
hslhsl(133, 46%, 42%)
oklchoklch(0.617 0.145 147.7)
Closest name: Golf Course (#5a9e4b)Relative luminance 0.2524
Open in palette toolCheck contrast

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →
3a9c4f9c3a87

#9c3a87

Analogous

Open in tool →
3a9c4f569c3a3a9c80

#569c3a · #3a9c80

Triadic

Open in tool →
3a9c4f4f3a9c9c4f3a

#4f3a9c · #9c4f3a

Split-complementary

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3a9c4f803a9c9c3a56

#803a9c · #9c3a56

Tetradic

Open in tool →
3a9c4f3a569c9c3a879c803a

#3a569c · #9c3a87 · #9c803a

Contrast

#3a9c4f as textRatioAAAA largeAAAFix
Aaon white
3.47:1failpassfail
  • AA: use #328644 as the text (4.54:1)
  • AAA: use #256533 as the text (7.03:1)
  • AA: or shift the background to #212121 (4.64:1)
Aaon black
6.05:1passpassfail
  • AAA: use #3fab57 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a9c4f as the background.

Brands using this color

mcpConnect your agent — build around #3a9c4f
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #3a9c4f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a9c4f-a2beab-b84edf-1f2d28-ebf1e9?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