Color

#5ac658

#5ac658
hex#5ac658
rgbrgb(90, 198, 88)
hslhsl(119, 49%, 56%)
oklchoklch(0.739 0.18 143.2)
Closest name: Emerald Green (#50c878)Relative luminance 0.4327

Colors that go with #5ac658

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 →

#c458c6

#91c658 · #58c68d

#585ac6 · #c6585a

Split-complementary

Open in tool →

#8d58c6 · #c65891

#5891c6 · #c458c6 · #c68d58

Contrast

#5ac658 as textRatioAAAA largeAAAFix
Aaon white
2.18:1failfailfail
  • AA: use #2f852e as the text (4.65:1)
  • AAA: use #236322 as the text (7.29:1)
  • AA: or shift the background to #424242 (4.62:1)
  • AAA: or shift the background to #242424 (7.14:1)
Aaon black
9.65:1passpasspassPasses 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 #5ac658 as the background.

Brands using this color

mcpConnect your agent — build around #5ac658
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 #5ac658 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5ac658-a2bea5-964edf-1f2d25-edf1e9?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