Color

#1ecc58

#1ecc58
hex#1ecc58
rgbrgb(30, 204, 88)
hslhsl(140, 74%, 46%)
oklchoklch(0.74 0.206 148.1)
Closest name: Battletoad (#11cc55)Relative luminance 0.4417

Colors that go with #1ecc58

Blue, Charcoal and Royal 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 →

#cc1e92

#3bcc1e · #1eccaf

#581ecc · #cc581e

Split-complementary

Open in tool →

#af1ecc · #cc1e3b

#1e3bcc · #cc1e92 · #ccaf1e

Contrast

#1ecc58 as textRatioAAAA largeAAAFix
Aaon white
2.14:1failfailfail
  • AA: use #14853a as the text (4.72:1)
  • AAA: use #0f662c as the text (7.1:1)
  • AA: or shift the background to #424242 (4.71:1)
  • AAA: or shift the background to #262626 (7.09:1)
Aaon black
9.83:1passpasspassPasses 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 #1ecc58 as the background.

Brands using this color

mcpConnect your agent — build around #1ecc58
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 #1ecc58 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1ecc58-a2beaf-c259d4-1f2d2a-ebf1e9?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