Color

#28af3c

#28af3c
hex#28af3c
rgbrgb(40, 175, 60)
hslhsl(129, 63%, 42%)
oklchoklch(0.661 0.192 145)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.3144

Colors that go with #28af3c

Royal Blue, Taupe and Fuchsia 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 →

#af289a

#57af28 · #28af7f

#3c28af · #af3c28

Split-complementary

Open in tool →

#7f28af · #af2857

#2857af · #af289a · #af7f28

Contrast

#28af3c as textRatioAAAA largeAAAFix
Aaon white
2.88:1failfailfail
  • AA: use #1e852e as the text (4.72:1)
  • AAA: use #176422 as the text (7.29:1)
  • AA: or shift the background to #303030 (4.58:1)
  • AAA: or shift the background to #050505 (7.07:1)
Aaon black
7.29:1passpasspassPasses 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 #28af3c 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 #28af3c
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 #28af3c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28af3c-a2bea9-ae4edf-1f2d27-ecf1e9?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