Color

#399014

#399014
hex#399014
rgbrgb(57, 144, 20)
hslhsl(102, 76%, 32%)
oklchoklch(0.578 0.173 138.9)
Closest name: Emerald (#028f1e)Relative luminance 0.2087

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6a1490

#779014 · #14902c

#143990 · #901439

Split-complementary

Open in tool →

#2c1490 · #901477

#147790 · #6a1490 · #902c14

Contrast

#399014 as textRatioAAAA largeAAAFix
Aaon white
4.06:1failpassfail
  • AA: use #358712 as the text (4.54:1)
  • AAA: use #27630d as the text (7.3:1)
  • AA: or shift the background to #141414 (4.54:1)
Aaon black
5.17:1passpassfail
  • AAA: use #43ab17 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #399014 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 #399014
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 #399014 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/399014-a7bea2-6e4edf-1f2d21-eff1e9?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