Color

#1bb680

#1bb680
hex#1bb680
rgbrgb(27, 182, 128)
hslhsl(159, 74%, 41%)
oklchoklch(0.689 0.144 162.6)
Closest name: mediumseagreen (#3cb371)Relative luminance 0.3525

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b61b51

#1bb632 · #1b9fb6

#801bb6 · #b6801b

Split-complementary

Open in tool →

#b61b9f · #b6321b

#321bb6 · #b61b51 · #9fb61b

Contrast

#1bb680 as textRatioAAAA largeAAAFix
Aaon white
2.61:1failfailfail
  • AA: use #14855d as the text (4.62:1)
  • AAA: use #0f6245 as the text (7.36:1)
  • AA: or shift the background to #363636 (4.63:1)
  • AAA: or shift the background to #141414 (7.06:1)
Aaon black
8.05:1passpasspassPasses 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 #1bb680 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #1bb680
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 #1bb680 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bb680-a2beb8-d459c0-1f2c2d-e9f1eb?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