Color

#3c8b5e

#3c8b5e
hex#3c8b5e
rgbrgb(60, 139, 94)
hslhsl(146, 40%, 39%)
oklchoklch(0.575 0.105 155.9)
Closest name: seagreen (#2e8b57)Relative luminance 0.2023

Colors that go with #3c8b5e

Charcoal, Royal Blue and Medium Violet Red 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 →

#8b3c69

#418b3c · #3c8b86

#5e3c8b · #8b5e3c

Split-complementary

Open in tool →

#863c8b · #8b3c41

#3c418b · #8b3c69 · #8b863c

Contrast

#3c8b5e as textRatioAAAA largeAAAFix
Aaon white
4.16:1failpassfail
  • AA: use #398459 as the text (4.55:1)
  • AAA: use #296041 as the text (7.38:1)
  • AA: or shift the background to #121212 (4.5:1)
Aaon black
5.05:1passpassfail
  • AAA: use #48a871 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c8b5e 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 #3c8b5e
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 #3c8b5e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c8b5e-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