Color

#4ea690

#4ea690
hex#4ea690
rgbrgb(78, 166, 144)
hslhsl(165, 36%, 48%)
oklchoklch(0.665 0.092 174.7)
Closest name: Hole in One (#4aae97)Relative luminance 0.3091

Colors that go with #4ea690

Charcoal, Burlywood and Copper 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.

Real palettes that use #4ea690

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#a64e64

#4ea664 · #4e90a6

#904ea6 · #a6904e

Split-complementary

Open in tool →

#a64e90 · #a6644e

#644ea6 · #a64e64 · #90a64e

Contrast

#4ea690 as textRatioAAAA largeAAAFix
Aaon white
2.92:1failfailfail
  • AA: use #3c806f as the text (4.66:1)
  • AAA: use #2e6154 as the text (7.11:1)
  • AA: or shift the background to #303030 (4.51:1)
  • AAA: or shift the background to #030303 (7.05:1)
Aaon black
7.18:1passpasspassPasses 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 #4ea690 as the background.

Brands using this color

mcpConnect your agent — build around #4ea690
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 #4ea690 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4ea690-a2beba-d459b3-1f2b2d-e9f1eb?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