Color

#3c8a15

#3c8a15
hex#3c8a15
rgbrgb(60, 138, 21)
hslhsl(100, 74%, 31%)
oklchoklch(0.562 0.164 138.1)
Closest name: forestgreen (#228b22)Relative luminance 0.1919

Tints & shades

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

Harmonies

Complementary

Open in tool →

#63158a

#768a15 · #158a28

#153c8a · #8a153c

Split-complementary

Open in tool →

#28158a · #8a1576

#15768a · #63158a · #8a2815

Contrast

#3c8a15 as textRatioAAAA largeAAAFix
Aaon white
4.34:1failpassfail
  • AA: use #3a8514 as the text (4.62:1)
  • AAA: use #2a620f as the text (7.36:1)
  • AA: or shift the background to #0a0a0a (4.56:1)
Aaon black
4.84:1passpassfail
  • AAA: use #4bad1a as the text (7.29:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c8a15 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 #3c8a15
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 #3c8a15 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c8a15-a8bea2-694edf-1f2d21-f0f1e9?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