Color
#81da9b
#81da9brgb(129, 218, 155)hsl(138, 55%, 68%)oklch(0.816 0.124 152.2)Colors that go with #81da9b
Plum, Blue and Charcoal 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.
Plum #dda0dd
complementaryshippedPlum sits directly opposite #81da9b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped4 real palettes, including Minecraft's brand system and Uber's brand system put Blue beside #81da9b, as the accent.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #81da9b: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
shippedCrimson is paired with #81da9b in 4 real palettes, including Tiffany & Co.'s brand system and Wise's brand system, as the supporting colour.
Mustard Yellow #ffdb58
shipped4 real palettes, including Fresh Juice and Citrus Grove put Mustard Yellow beside #81da9b, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #81da9b in 4 real palettes, including Docker's brand system and Brilliant's brand system, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #81da9b in 21 real palettes, including Rain Garden and Blossom, as the text colour against it.
Wheat #f5deb3
shippedDesigners have shipped Wheat with #81da9b: 5 real palettes, including Mint Chip and Pine & Birch, as the accent.
Real palettes that use #81da9b
Tints & shades
Harmonies
Contrast
| #81da9b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.69:1 | fail | fail | fail | |
Aaon black | 12.44:1 | pass | pass | pass | Passes 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 #81da9b as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
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.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #81da9b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/81da9b-a2beae-be59d4-1f2d29-ebf1e9?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md