Color
#51fbd3
#51fbd3rgb(81, 251, 211)hsl(166, 96%, 65%)oklch(0.892 0.149 173.6)Colors that go with #51fbd3
Crimson, Deep Sky Blue and Taupe 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.
Crimson #dc143c
shippedCrimson is paired with #51fbd3 in 4 real palettes, including Formula 1's brand system and Tiffany & Co.'s brand system, as the supporting colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #51fbd3: 4 real palettes, including Astro's brand system and Prime Video's brand system, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #51fbd3 in 5 real palettes, including Astro's brand system and Mint Chip, as the text colour against it.
Hot Pink #ff69b4
complementaryHot Pink sits directly opposite #51fbd3 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #51fbd3: softer than #000 and cool enough to feel like part of the same palette.
Plum #dda0dd
triadicshippedPlum completes a triad with #51fbd3 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Violet #ee82ee
split-complementViolet is a split-complement of #51fbd3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Light Coral #f08080
split-complementLight Coral is a split-complement of #51fbd3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #51fbd3
Tints & shades
Harmonies
Contrast
| #51fbd3 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.31:1 | fail | fail | fail | |
Aaon black | 16.09:1 | 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 #51fbd3 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 #51fbd3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/51fbd3-a2bebb-d459b1-1f2a2d-e9f1ec?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