Color

#1bc57e

#1bc57e
hex#1bc57e
rgbrgb(27, 197, 126)
hslhsl(155, 76%, 44%)
oklchoklch(0.728 0.165 158.1)
Closest name: Emerald Green (#50c878)Relative luminance 0.4167

Colors that go with #1bc57e

Charcoal, Blue and Cornflower Blue 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 →

#c51b62

#1bc529 · #1bb7c5

#7e1bc5 · #c57e1b

Split-complementary

Open in tool →

#c51bb7 · #c5291b

#291bc5 · #c51b62 · #b7c51b

Contrast

#1bc57e as textRatioAAAA largeAAAFix
Aaon white
2.25:1failfailfail
  • AA: use #128756 as the text (4.54:1)
  • AAA: use #0d633f as the text (7.31:1)
  • AA: or shift the background to #404040 (4.61:1)
  • AAA: or shift the background to #212121 (7.16:1)
Aaon black
9.33:1passpasspassPasses 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 #1bc57e as the background.

Brands using this color

mcpConnect your agent — build around #1bc57e
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 #1bc57e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bc57e-a2beb6-d459c8-1f2d2d-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