brandsweets

Color

#399d64

#399d64
hex#399d64
rgbrgb(57, 157, 100)
hslhsl(146, 47%, 42%)
oklchoklch(0.623 0.127 154.9)
Closest name: Bulma Hair (#359e6b)Relative luminance 0.259
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
399d649d3972

#9d3972

Analogous

Open in tool →
399d643f9d39399d97

#3f9d39 · #399d97

Triadic

Open in tool →
399d6464399d9d6439

#64399d · #9d6439

Split-complementary

Open in tool →
399d6497399d9d393f

#97399d · #9d393f

Tetradic

Open in tool →
399d64393f9d9d39729d9739

#393f9d · #9d3972 · #9d9739

Contrast

#399d64 as textRatioAAAA largeAAAFix
Aaon white
3.4:1failpassfail
  • AA: use #2f8354 as the text (4.67:1)
  • AAA: use #23613e as the text (7.37:1)
  • AA: or shift the background to #242424 (4.57:1)
Aaon black
6.18:1passpassfail
  • AAA: use #3da96c as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #399d64 as the background.

Brands using this color

mcpConnect your agent — build around #399d64
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 #399d64 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/399d64-a2beb1-ce59d4-1f2d2b-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