Color

#1bb178

#1bb178
hex#1bb178
rgbrgb(27, 177, 120)
hslhsl(157, 74%, 40%)
oklchoklch(0.674 0.145 160.7)
Closest name: mediumseagreen (#3cb371)Relative luminance 0.3303

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b11b54

#1bb12c · #1ba0b1

#781bb1 · #b1781b

Split-complementary

Open in tool →

#b11ba0 · #b12c1b

#2c1bb1 · #b11b54 · #a0b11b

Contrast

#1bb178 as textRatioAAAA largeAAAFix
Aaon white
2.76:1failfailfail
  • AA: use #14855a as the text (4.63:1)
  • AAA: use #0f6242 as the text (7.38:1)
  • AA: or shift the background to #333333 (4.58:1)
  • AAA: or shift the background to #0d0d0d (7.04:1)
Aaon black
7.61:1passpasspassPasses 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 #1bb178 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 #1bb178
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 #1bb178 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bb178-a2beb7-d459c4-1f2c2d-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