Color

#b3e458

#b3e458
hex#b3e458
rgbrgb(179, 228, 88)
hslhsl(81, 72%, 62%)
oklchoklch(0.857 0.175 126.2)
Closest name: Conifer (#b1dd52)Relative luminance 0.6578

Colors that go with #b3e458

Charcoal, Plum and Blue 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 →

#8958e4

#e4cf58 · #6de458

#58b3e4 · #e458b3

Split-complementary

Open in tool →

#586de4 · #cf58e4

#58e4cf · #8958e4 · #e4586d

Contrast

#b3e458 as textRatioAAAA largeAAAFix
Aaon white
1.48:1failfailfail
  • AA: use #5a7f15 as the text (4.69:1)
  • AAA: use #446010 as the text (7.18:1)
  • AA: or shift the background to #5c5c5c (4.51:1)
  • AAA: or shift the background to #3d3d3d (7.32:1)
Aaon black
14.16:1passpasspassPasses 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 #b3e458 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 #b3e458
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 #b3e458 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3e458-b1bea2-4e62df-222d1f-f1f0e9?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