Color

#20cb78

#20cb78
hex#20cb78
rgbrgb(32, 203, 120)
hslhsl(151, 73%, 46%)
oklchoklch(0.743 0.177 155)
Closest name: Emerald Green (#50c878)Relative luminance 0.4438

Colors that go with #20cb78

Charcoal, Mustard Yellow 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 →

#cb2072

#20cb23 · #20c8cb

#7820cb · #cb7820

Split-complementary

Open in tool →

#cb20c8 · #cb2320

#2320cb · #cb2072 · #c8cb20

Contrast

#20cb78 as textRatioAAAA largeAAAFix
Aaon white
2.13:1failfailfail
  • AA: use #15844e as the text (4.73:1)
  • AAA: use #10653c as the text (7.12:1)
  • AA: or shift the background to #454545 (4.51:1)
  • AAA: or shift the background to #262626 (7.12:1)
Aaon black
9.88:1passpasspassPasses 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 #20cb78 as the background.

Brands using this color

mcpConnect your agent — build around #20cb78
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 #20cb78 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/20cb78-a2beb4-d459d0-1f2d2c-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