Color

#23cd78

#23cd78
hex#23cd78
rgbrgb(35, 205, 120)
hslhsl(150, 71%, 47%)
oklchoklch(0.748 0.179 154.5)
Closest name: Emerald Green (#50c878)Relative luminance 0.4538

Colors that go with #23cd78

Charcoal, Blue and Mustard Yellow 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 →

#cd2378

#23cd23 · #23cdcd

#7823cd · #cd7823

Split-complementary

Open in tool →

#cd23cd · #cd2323

#2323cd · #cd2378 · #cdcd23

Contrast

#23cd78 as textRatioAAAA largeAAAFix
Aaon white
2.08:1failfailfail
  • AA: use #17874f as the text (4.55:1)
  • AAA: use #11643b as the text (7.22:1)
  • AA: or shift the background to #454545 (4.6:1)
  • AAA: or shift the background to #262626 (7.26:1)
Aaon black
10.08:1passpasspassPasses 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 #23cd78 as the background.

Brands using this color

mcpConnect your agent — build around #23cd78
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 #23cd78 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/23cd78-a2beb3-d459d2-1f2d2c-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