Color

#28e63f

#28e63f
hex#28e63f
rgbrgb(40, 230, 63)
hslhsl(127, 79%, 53%)
oklchoklch(0.807 0.25 144)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.574

Colors that go with #28e63f

Taupe, Violet and Dark Orange 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 →

#e628d0

#71e628 · #28e69d

#3f28e6 · #e63f28

Split-complementary

Open in tool →

#9d28e6 · #e62871

#2871e6 · #e628d0 · #e69d28

Contrast

#28e63f as textRatioAAAA largeAAAFix
Aaon white
1.68:1failfailfail
  • AA: use #10891e as the text (4.55:1)
  • AAA: use #0c6416 as the text (7.37:1)
  • AA: or shift the background to #545454 (4.5:1)
  • AAA: or shift the background to #363636 (7.18:1)
Aaon black
12.48:1passpasspassPasses 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 #28e63f 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 #28e63f
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 #28e63f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28e63f-a2bea8-aa4edf-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