Color

#28bd75

#28bd75
hex#28bd75
rgbrgb(40, 189, 117)
hslhsl(151, 65%, 45%)
oklchoklch(0.707 0.16 156.1)
Closest name: Fennel Fiesta (#00bb77)Relative luminance 0.3813

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd2870

#28bd2b · #28bbbd

#7528bd · #bd7528

Split-complementary

Open in tool →

#bd28bb · #bd2b28

#2b28bd · #bd2870 · #bbbd28

Contrast

#28bd75 as textRatioAAAA largeAAAFix
Aaon white
2.43:1failfailfail
  • AA: use #1d8753 as the text (4.52:1)
  • AAA: use #15653f as the text (7.08:1)
  • AA: or shift the background to #3b3b3b (4.6:1)
  • AAA: or shift the background to #1c1c1c (7:1)
Aaon black
8.63:1passpasspassPasses 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 #28bd75 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 #28bd75
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 #28bd75 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28bd75-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