Color

#28fb6b

#28fb6b
hex#28fb6b
rgbrgb(40, 251, 107)
hslhsl(139, 96%, 57%)
oklchoklch(0.865 0.243 147.7)
Closest name: springgreen (#00ff7f)Relative luminance 0.7051

Colors that go with #28fb6b

Violet, Hot Pink and Plum 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 →

#fb28b8

#4ffb28 · #28fbd4

#6b28fb · #fb6b28

Split-complementary

Open in tool →

#d428fb · #fb284f

#284ffb · #fb28b8 · #fbd428

Contrast

#28fb6b as textRatioAAAA largeAAAFix
Aaon white
1.39:1failfailfail
  • AA: use #03872d as the text (4.66:1)
  • AAA: use #026421 as the text (7.38:1)
  • AA: or shift the background to #5e5e5e (4.66:1)
  • AAA: or shift the background to #424242 (7.23:1)
Aaon black
15.1:1passpasspassPasses 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 #28fb6b 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 #28fb6b
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 #28fb6b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28fb6b-a2beae-c059d4-1f2d2a-ebf1e9?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