Color

#28af6d

#28af6d
hex#28af6d
rgbrgb(40, 175, 109)
hslhsl(151, 63%, 42%)
oklchoklch(0.668 0.149 156.2)
Closest name: mediumseagreen (#3cb371)Relative luminance 0.3222

Tints & shades

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

Harmonies

Complementary

Open in tool →

#af2869

#28af2a · #28acaf

#6d28af · #af6d28

Split-complementary

Open in tool →

#af28ac · #af2a28

#2a28af · #af2869 · #acaf28

Contrast

#28af6d as textRatioAAAA largeAAAFix
Aaon white
2.82:1failfailfail
  • AA: use #1e8553 as the text (4.63:1)
  • AAA: use #17643e as the text (7.17:1)
  • AA: or shift the background to #303030 (4.68:1)
  • AAA: or shift the background to #0a0a0a (7.02:1)
Aaon black
7.44:1passpasspassPasses 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 #28af6d 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 #28af6d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #28af6d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28af6d-a2beb4-d459d0-1f2d2c-e9f1ea?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