Color

#3dc288

#3dc288
hex#3dc288
rgbrgb(61, 194, 136)
hslhsl(154, 52%, 50%)
oklchoklch(0.728 0.143 160.3)
Closest name: Bleached Olive (#55bb88)Relative luminance 0.4135

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c23d77

#3dc246 · #3db9c2

#883dc2 · #c2883d

Split-complementary

Open in tool →

#c23db9 · #c2463d

#463dc2 · #c23d77 · #b9c23d

Contrast

#3dc288 as textRatioAAAA largeAAAFix
Aaon white
2.27:1failfailfail
  • AA: use #2a845d as the text (4.61:1)
  • AAA: use #1f6144 as the text (7.36:1)
  • AA: or shift the background to #404040 (4.58:1)
  • AAA: or shift the background to #212121 (7.11:1)
Aaon black
9.27:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3dc288 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 #3dc288
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 #3dc288 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dc288-a2beb5-d459ca-1f2d2d-e9f1ea?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