Color

#28af88

#28af88
hex#28af88
rgbrgb(40, 175, 136)
hslhsl(163, 63%, 42%)
oklchoklch(0.675 0.126 168.3)
Closest name: Herbal (#29ab87)Relative luminance 0.3289

Colors that go with #28af88

Charcoal, Midnight 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 →

#af284e

#28af45 · #2891af

#8828af · #af8828

Split-complementary

Open in tool →

#af2891 · #af4528

#4528af · #af284e · #91af28

Contrast

#28af88 as textRatioAAAA largeAAAFix
Aaon white
2.77:1failfailfail
  • AA: use #1e8568 as the text (4.56:1)
  • AAA: use #17644e as the text (7.07:1)
  • AA: or shift the background to #333333 (4.56:1)
  • AAA: or shift the background to #0d0d0d (7.01:1)
Aaon black
7.58:1passpasspassPasses 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 #28af88 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #28af88
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 #28af88 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28af88-a2beb9-d459b7-1f2b2d-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